UFGS 35 45 01 Vertical Pumps, Axial-Flow and Mixed-Flow ... 35 45 01.pdf · 1.6.2 [Static][Pool-To-Pool][Bowl] Head 1.7 MAINTENANCE 1.7.1 Special Tools 1.7.2 Extra Materials 1.8 Warranty

**************************************************************************USACE / NAVFAC / AFCEC / NASA UFGS- 35 45 01 ( Febr uar y 2016) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Pr epar i ng Act i v i t y: USACE Super sedi ng UFGS- 22 10 00. 00 10 ( Jul y 2007)

UNI FI ED FACI LI TI ES GUI DE SPECI FI CATI ONS

Ref er ences ar e i n agr eement wi t h UMRL dat ed Apr i l 2018**************************************************************************

SECTI ON TABLE OF CONTENTS

DI VI SI ON 35 - WATERWAY AND MARI NE CONSTRUCTI ON

SECTI ON 35 45 01

VERTI CAL PUMPS, AXI AL- FLOW AND MI XED- FLOW I MPELLER- TYPE

02/16

PART 1 GENERAL

1. 1 PRI CES 1. 1. 1 Ver t i cal Pumps, Axi al - Fl ow and Mi xed- Fl ow I mpel l er - Type 1. 1. 1. 1 Payment 1. 1. 1. 2 Uni t of Measur e 1. 1. 2 Er ect i on Engi neer ( s) 1. 1. 2. 1 Payment 1. 1. 2. 2 Measur ement 1. 1. 2. 3 Uni t of Measur e 1. 1. 3 Tr anspor t at i on Expenses of Er ect i ng Engi neer ( s) 1. 1. 3. 1 Payment 1. 1. 3. 2 Measur ement 1. 1. 3. 3 Uni t of Measur e 1. 2 REFERENCES 1. 3 SUBMI TTALS 1. 4 QUALI TY ASSURANCE 1. 4. 1 Det ai l Dr awi ngs 1. 4. 2 Wel di ng 1. 5 DELI VERY, STORAGE, AND HANDLI NG 1. 5. 1 Gener al 1. 5. 2 Pr ocessi ng f or St or age 1. 6 PROJECT/ SI TE CONDI TI ONS 1. 6. 1 Dat um 1. 6. 2 [ St at i c] [ Pool - To- Pool ] [ Bowl ] Head 1. 7 MAI NTENANCE 1. 7. 1 Speci al Tool s 1. 7. 2 Ext r a Mat er i al s 1. 8 War r ant y

PART 2 PRODUCTS

2. 1 SYSTEM DESCRI PTI ON 2. 1. 1 Desi gn Requi r ement s 2. 1. 2 Capaci t i es 2. 1. 2. 1 Pr i med Condi t i on

SECTI ON 35 45 01 Page 1

2. 1. 2. 2 St ar t - Up Condi t i on 2. 1. 3 Pump Cur ves 2. 2 MATERI ALS 2. 3 METALWORK FABRI CATI ON 2. 3. 1 Desi gnat ed Mat er i al s 2. 3. 2 Bol t ed Connect i ons 2. 3. 2. 1 Bol t s, Nut s, and Washer s 2. 3. 2. 2 Mat er i al s Not Speci f i cal l y Descr i bed 2. 3. 3 Met al wor k 2. 3. 3. 1 Fl ame Cut t i ng of Mat er i al 2. 3. 3. 2 Al i gnment of Wet t ed Sur f aces 2. 3. 3. 3 St r ess- Rel i evi ng Pr ocedur e 2. 3. 4 Exami nat i on of Cast i ngs 2. 3. 4. 1 Exami nat i on Pr ocedur es 2. 3. 4. 1. 1 Ul t r asoni c 2. 3. 4. 1. 2 Magnet i c Par t i c l e 2. 3. 4. 1. 3 Li qui d Penet r ant 2. 3. 4. 2 Accept ance and Repai r Cr i t er i a 2. 4 VERTI CAL PUMPS 2. 4. 1 Speed 2. 4. 2 Rever se [ Rot at i on] [ Fl ow] 2. 4. 3 Ef f i c i ency 2. 4. 4 Suct i on Bel l 2. 4. 5 I mpel l er Bowl 2. 4. 6 Di f f user Bowl 2. 4. 7 Pump Col umn and Di schar ge El bow 2. 4. 7. 1 Col umn and Di schar ge El bow 2. 4. 7. 2 Col umn and Di schar ge El bow Suppor t 2. 4. 7. 3 Pumps Di schar ge Di amet er 2. 4. 7. 4 For med Suct i on I nt ake 2. 4. 7. 5 Fl anges 2. 4. 7. 6 Fl anged Joi nt s 2. 4. 7. 7 Nut s and Bol t s 2. 4. 7. 8 Gal vani c Pr ot ect i on 2. 4. 7. 9 Har nessed Coupl i ng 2. 4. 7. 10 Wal l Thi mbl e 2. 4. 7. 11 Di schar ge Pi pi ng 2. 4. 7. 12 Fl ap Gat e 2. 4. 8 I mpel l er 2. 4. 8. 1 Removal and Pr i or To Fi ni shi ng 2. 4. 8. 2 Bal ance 2. 4. 9 Shaf t i ng 2. 4. 9. 1 Shaf t 2. 4. 9. 2 Coupl i ngs 2. 4. 9. 3 Jour nal s 2. 4. 9. 4 Ci r cumf er ent i al Li ne 2. 4. 10 Shaf t Encl osur e 2. 4. 11 Gui de Bear i ngs and Seal s 2. 4. 11. 1 Gui de Bear i ngs 2. 4. 11. 2 [ Oi l ] [ Gr ease] Lubr i cat i on Shaf t Seal s 2. 4. 12 Bear i ng Heat Sensor s 2. 4. 13 Thr ust Bear i ng 2. 4. 14 Packi ng Gl and 2. 4. 15 Si phon Br eaker Val ve 2. 5 LUBRI CATI ON SYSTEM 2. 5. 1 Suppl ement al Lubr i cat i on Wat er 2. 5. 2 Cent r al i zed Pr essur e Lubr i cat i on Syst em 2. 5. 2. 1 Gener al 2. 5. 2. 2 Pumpi ng Uni t


2. 5. 2. 3 Met er i ng Val ves 2. 5. 2. 4 Pi pi ng 2. 5. 3 Lubr i cat i on Syst em Accessor i es 2. 5. 3. 1 Gr ease Gun 2. 5. 3. 2 Ser vi ce Faci l i t i es 2. 6 PAI NTI NG 2. 7 TESTS, I NSPECTI ONS, AND VERI FI CATI ONS 2. 7. 1 [ Cr i t i cal Speeds] [ Dynami c Anal ysi s] 2. 7. 1. 1 Tor si onal Anal ysi s 2. 7. 1. 2 Lat er al Fr equency Anal ysi s 2. 7. 2 Lubr i cat i ng Syst em Test s 2. 7. 3 Fact or y Test 2. 7. 3. 1 Gener al 2. 7. 3. 2 Test Set up 2. 7. 3. 3 I nst r ument at i on and Pr ocedur es 2. 7. 3. 3. 1 Head Measur ement s 2. 7. 3. 3. 2 Capaci t y 2. 7. 3. 3. 3 Rot at i onal Speed of Pump 2. 7. 3. 3. 4 Power I nput 2. 7. 3. 3. 5 Cavi t at i on Test s 2. 7. 3. 4 Pump Test 2. 7. 3. 5 Test Pr ocedur e 2. 7. 3. 5. 1 Per f or mance of The Pump 2. 7. 3. 5. 2 Sump El evat i ons 2. 7. 3. 5. 3 Test s Resul t s 2. 7. 3. 5. 4 Demonst r at i on 2. 7. 3. 6 Cavi t at i on Test s 2. 7. 3. 6. 1 Model Test 2. 7. 3. 6. 2 NPSHR 2. 7. 3. 6. 3 Val ue of NPSHR 2. 7. 3. 6. 4 Pl ot t i ng Test Resul t s 2. 7. 3. 6. 5 Cur ves 2. 7. 3. 7 Wi t ness Test 2. 7. 3. 8 Test Repor t 2. 7. 4 I nt ake Test s 2. 7. 4. 1 Qual i f i cat i ons 2. 7. 4. 2 I nt ake Model Set up and Obj ect i ves 2. 7. 4. 3 I nt ake Model Test s 2. 7. 4. 4 Recommendat i ons f r om t he Model Test 2. 8 BASEPLATE AND SUPPORTS 2. 9 PUMP DRAI NAGE 2. 10 FACTORY ASSEMBLY

PART 3 EXECUTI ON

3. 1 I NSTALLATI ON 3. 1. 1 Equi pment 3. 1. 2 Pi pes and Joi nt s 3. 2 FI ELD TESTS 3. 2. 1 Dr y Test s 3. 2. 2 Wet Test s

ATTACHMENTS:

Fi gur e 1

Fi gur e 2

Fi gur e 3


- - End of Sect i on Tabl e of Cont ent s - -


**************************************************************************USACE / NAVFAC / AFCEC / NASA UFGS- 35 45 01 ( Febr uar y 2016) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Pr epar i ng Act i v i t y: USACE Super sedi ng UFGS- 22 10 00. 00 10 ( Jul y 2007)

UNI FI ED FACI LI TI ES GUI DE SPECI FI CATI ONS

Ref er ences ar e i n agr eement wi t h UMRL dat ed Apr i l 2018**************************************************************************

SECTI ON 35 45 01

VERTI CAL PUMPS, AXI AL- FLOW AND MI XED- FLOW I MPELLER- TYPE02/16

**************************************************************************NOTE: Thi s gui de speci f i cat i on cover s t he r equi r ement s f or ver t i cal axi al - and mi xed- f l ow i mpel l er - t ype pumps, havi ng a pump di schar ge di amet er up t o and i ncl udi ng 2100 mm 84 i nches, f or f l ood cont r ol and hur r i cane pr ot ect i on pr oj ect s. Thi s sect i on was or i gi nal l y devel oped f or USACE Ci vi l Wor ks pr oj ect s.

Adher e t o UFC 1- 300- 02 Uni f i ed Faci l i t i es Gui de Speci f i cat i ons ( UFGS) For mat St andar d when edi t i ng t hi s gui de speci f i cat i on or pr epar i ng new pr oj ect speci f i cat i on sect i ons. Edi t t hi s gui de speci f i cat i on f or pr oj ect speci f i c r equi r ement s by addi ng, del et i ng, or r evi s i ng t ext . For br acket ed i t ems, choose appl i cabl e i t em( s) or i nser t appr opr i at e i nf or mat i on.

Remove i nf or mat i on and r equi r ement s not r equi r ed i n r espect i ve pr oj ect , whet her or not br acket s ar e present.

Comment s, suggest i ons and r ecommended changes f or t hi s gui de speci f i cat i on ar e wel come and shoul d be submi t t ed as a Cr i t er i a Change Request ( CCR) .

TO DOWNLOAD UFGS GRAPHI CSGo t o http://www.wbdg.org/FFC/NAVGRAPH/graphtoc.pdf .

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PART 1 GENERAL

**************************************************************************NOTE: Fi gur e 1, Syst em Loss Cur ve ( May be pr ovi ded by t he Desi gner ) . The Speci f i er shoul d i nser t Fi gur e 2 and Fi gur e 3 at t he end of t hi s sect i on as appl i cabl e t o t he desi gn. ( See par agr aphs BEARI NG HEAT SENSORS, TEST SETUP, and VALUE OF NPSHR. )

Thi s speci f i cat i on i s wr i t t en t o obt ai n r el i abl e, l ong- l ast i ng pumps t hat ar e sui t ed f or t he pur pose


i nt ended at t he most economi cal pr i ce. I t r equi r es t he use of gr ease- , wat er - or oi l - l ubr i cat ed bear i ngs and packi ng gl ands, and per mi t s t he manuf act ur er t o use hi s st andar d cast i ngs f or t he suct i on bel l and t he bowl s.

Avoi d l ocat i ng vanes i n t he wat er passage above t he di f f user bowl shoul d be avoi ded; however , on pumps wi t h l ong col umns wher e t he use of i nt er medi at e bear i ngs i s necessar y, spi der s or ext er nal suppor t s f or t he bear i ng housi ng may be per mi t t ed. A shaf t - encl osi ng t ube, by i t sel f , may not f ur ni sh t he needed suppor t .

Al t er nat e speci f i cat i ons f or t he " FACTORY TEST" have been pr ovi ded i n t hi s speci f i cat i on. Al t er nat e 1 gi ves t he manuf act ur er t he opt i on of t est i ng ei t her t he pr ot ot ype pump or a homol ogous model of t he pump. Thi s al t er nat i ve shoul d be used f or al l pumps havi ng a di amet er up t o and i ncl udi ng 1200 mm 48 i nches. Al t er nat e 2, whi ch r equi r es a homol ogous model of t he pump be t est ed f or per f or mance and NPSHR char act er i st i cs, shoul d be used f or pumps havi ng a di amet er gr eat er t han 1200 mm 48 i nches. Al t er nat e 2 can al so be used f or pumps smal l er t han 1200 mm 48 i nches i n di amet er i f t he expect ed annual oper at i ng t i me i s gr eat er t han 500 hour s per year or f or t he speci al case when t her e i s no publ i shed NPSHR cur ve avai l abl e.

I f t hi s gui de speci f i cat i on i s used f or a suppl y cont r act , t he f l exi bl e mechani cal coupl i ngs and har ness bol t s shoul d be obt ai ned under t he const r uct i on cont r act , except when t he pump manuf act ur er i s r equi r ed t o f ur ni sh t he di schar ge piping.

Wi t h a const r uct i on cont r act , i t i s t he pr i me Cont r act or ' s r esponsi bi l i t y t o have equi pment del i ver ed when r eady f or i nst al l at i on. I nevi t abl y, del ays occur . Some st or age wi l l most l i kel y be r equi r ed. These r equi r ement s may be modi f i ed as r equi r ed, but i n no case shoul d t hey be del et ed when t he st or age of equi pment i s cont empl at ed.

Wi t h a suppl y cont r act , t he del i ver y of t he equi pment bei ng f ur ni shed shoul d be ar r anged t o coi nci de wi t h t he dat e of i nst al l at i on, when possi bl e. Thi s wi l l obvi at e t he need f or l ong- t er m st or age of t he equi pment i n Gover nment - f ur ni shed space.

Thi s speci f i cat i on has been pr epar ed on t he basi s t hat i t wi l l be used i n const r uct i on cont r act s. I f t hi s gui de speci f i cat i on i s t o be used f or suppl y cont r act s, par agr aphs t o be i ncl uded i n Par t I V - TECHNI CAL PROVI SI ONS shoul d be ar r anged t o f ol l ow t he f or mat l i s t ed bel ow. Sect i on 5 shoul d be del et ed when a r educt i on gear i s not t o be


f ur ni shed, and t he wor d " DELETED" shoul d be subst i t ut ed i n l i eu t her eof . Sect i on 1 shoul d i ncl ude appr opr i at e pr ovi s i ons of Sect i on 09 97 02 PAI NTI NG: HYDRAULI C STRUCTURES, Sect i on 05 50 14 STRUCTURAL METAL FABRI CATI ONS and Sect i on 05 50 15 CI VI L WORKS FABRI CATI ONS.

Sect i on 1 Mat er i al s and Fabr i cat i onSect i on 2 Ver t i cal PumpsSect i on 3 Fact or y TestSect i on 4 El ect r i c Mot or or Di esel Engi neSect i on 5 Reduct i on GearSect i on 6 Ser v i ces of Er ect i ng Engi neer

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1. 1 PRICES

**************************************************************************NOTE: I f Sect i on 01 22 00. 00 10 PRI CE AND PAYMENT PROCEDURES i s i ncl uded i n t he pr oj ect speci f i cat i ons, t hi s par agr aph t i t l e ( PRI CES) shoul d be del et ed f r om t hi s sect i on and t he r emai ni ng appr opr i at el y edi t ed subpar agr aphs bel ow be i nser t ed i nt o Sect i on 01 22 00. 00 10.

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1. 1. 1 Ver t i cal Pumps, Axi al - Fl ow and Mi xed- Fl ow I mpel l er - Type

1. 1. 1. 1 Payment

Payment wi l l be made f or cost s associ at ed wi t h [ f ur ni shi ng] [ f ur ni shi ng and i nst al l i ng] [ i nst al l i ng] t he ver t i cal pumps, axi al - f l ow and mi xed- f l ow i mpel l er - t ype, as speci f i ed.

1. 1. 1. 2 Uni t of Measur e

Uni t of measur e: l ump sum.

1. 1. 2 Er ect i on Engi neer ( s)

1. 1. 2. 1 Payment

Payment wi l l be made f or cost s associ at ed wi t h t he ser vi ces of er ect i on engi neer ( s) f or t he per i od of t i me t hat er ect i ng engi neer s ar e i n ser vi ce of t he Gover nment wi t hi n t he Cont i nent al Uni t ed St at es, i ncl udi ng t i me r equi r ed by t hem t o t r avel . No payment wi l l be made f or days t he er ect i ng engi neer s ar e absent f r om t he j obsi t e, except f or non- wor k days, Nat i onal Legal Hol i days, and aut hor i zed t r avel t i me. No addi t i onal or over t i me payment wi l l be made t o t he Cont r act or when t he er ect i ng engi neer s ar e r equi r ed t o wor k i n excess of 8 hour s per cal endar day or 40 hour s per week. I f del ays occur dur i ng per i ods of assembl y, er ect i on, or t est i ng, wher ei n ser vi ces of er ect i ng engi neer s ar e not r equi r ed, t he Cont r act i ng Of f i cer may di r ect t he engi neer s t o r et ur n t o t hei r home st at i on, i n whi ch case t hey wi l l not be pai d f or t i me t hey ar e not at t he s i t e of wor k, except f or t r avel t i me; or di r ect engi neer s t o r emai n at t he s i t e of wor k, i n whi ch case t hey wi l l be pai d as pr ovi ded by cont r act .


1. 1. 2. 2 Measurement

Ser vi ces of er ect i on engi neer ( s) wi l l be measur ed f or payment based upon cont r act uni t pr i ce per cal endar day f or t he number of cal endar days t hat t hei r ser vi ces ar e r equi r ed, i ncl udi ng Sundays and Nat i onal Legal Hol i days. Ti me f or t r avel wi l l be measur ed f or payment by t he most di r ect commer ci al ai r l i ne or r ai l r out e f r om t hei r home st at i on or por t of ent r y, or f r om t hei r dut y st at i on when t r avel t i me f r om t he dut y st at i on i s l ess t han t hat r equi r ed f r om home st at i on or por t of ent r y, t o s i t e of er ect i on and r et ur n. When t r avel t i me f r om t he dut y st at i on i s gr eat er t han t hat r equi r ed f r om home st at i on or por t of ent r y, onl y t i me f r om home st at i on or por t of ent r y wi l l be al l owed. Tr avel t i me wi l l be al l owed onl y f r om t i me of t he f i r st avai l abl e t r anspor t at i on af t er r el ease f or r et ur n t o home st at i on or por t of ent r y.


Uni t of measur e: per cal endar day.

1. 1. 3 Tr anspor t at i on Expenses of Er ect i ng Engi neer ( s)

1. 1. 3. 1 Payment

Payment wi l l be made f or cost s associ at ed wi t h t he t r avel and t r anspor t at i on expenses of t he er ect i ng engi neer ( s) . No payment wi l l be made f or dai l y commut i ng expenses or subsi st ence or ot her per sonal expenses whi l e i n r out e or at t he j obsi t e. Al so, no payment wi l l be made f or f ar e and t r anspor t at i on expenses out s i de of cont i nent al l i mi t s of t he Uni t ed St at es. Payment may be made f or t r avel by pr i vat el y owned conveyance i f used i n l i eu of t r avel by common car r i er .

1. 1. 3. 2 Measurement

Tr avel and ot her necessar y t r anspor t at i on expenses of t he er ect i ng engi neer ( s) wi l l be measur ed f or payment based upon t he t r avel f ar e by schedul ed ai r l i ne usi ng l ess t han f i r st c l ass accommodat i ons, when avai l abl e, or r ai l r oad and sl eepi ng car f ar e when ai r t r avel accommodat i ons ar e not avai l abl e. Payment f or t r avel by pr i vat el y owned conveyance i s made at t he appl i cabl e mi l eage r at e of [ _____] cent s per km mi l e, pr ovi ded t hat such payment do not exceed t he const r uct i ve cost of ai r coach accommodat i ons, i ncl udi ng consi der at i on of t he cost t o t he Gover nment f or t he r at e per cal endar day bi d f or t he ser vi ces of t he er ect i ng engi neer and r egar dl ess of whet her space woul d have been avai l abl e. When ai r accommodat i ons ar e not avai l abl e, t he mi l eage r ei mbur sement wi l l be l i mi t ed t o t he const r uct i ve cost of f i r st c l ass r ai l , when t he el apsed t i me of r ai l t r avel i s mor e t han 4 hour s; coach cl ass when t he el apsed t i me of r ai l t r avel i s 4 hour s or l ess; or when nei t her ai r nor r ai l accommodat i ons ar e pr ovi ded, t he mi l eage r ei mbur sement wi l l be l i mi t ed t o t he const r uct i ve cost of bus t r anspor t at i on.


per km mi l e.

1. 2 REFERENCES

**************************************************************************NOTE: Thi s par agr aph i s used t o l i s t t he publ i cat i ons c i t ed i n t he t ext of t he gui de


speci f i cat i on. The publ i cat i ons ar e r ef er r ed t o i n t he t ext by basi c desi gnat i on onl y and l i s t ed i n t hi s par agr aph by or gani zat i on, desi gnat i on, dat e, and t i t l e.

Use t he Ref er ence Wi zar d' s Check Ref er ence f eat ur e when you add a Ref er ence I dent i f i er ( RI D) out s i de of t he Sect i on' s Ref er ence Ar t i c l e t o aut omat i cal l y pl ace t he r ef er ence i n t he Ref er ence Ar t i c l e. Al so use t he Ref er ence Wi zar d' s Check Ref er ence f eat ur e t o updat e t he i ssue dat es.

Ref er ences not used i n t he t ext wi l l aut omat i cal l y be del et ed f r om t hi s sect i on of t he pr oj ect speci f i cat i on when you choose t o r econci l e r ef er ences i n t he publ i sh pr i nt pr ocess.

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The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AMERI CAN PETROLEUM I NSTI TUTE ( API )

API RP 686 ( 2009) Recommended Pr act i ce f or Machi ner y I nst al l at i on and I nst al l at i on Desi gn

AMERI CAN WATER WORKS ASSOCI ATI ON ( AWWA)

AWWA C200 ( 2012) St eel Wat er Pi pe - 6 I n. ( 150 mm) and Lar ger

AWWA C203 ( 2008) Coal - Tar Pr ot ect i ve Coat i ngs and Li ni ngs f or St eel Wat er Pi pel i nes - Enamel and Tape - Hot - Appl i ed

AWWA C207 ( 2013) St andar d f or St eel Pi pe Fl anges f or Wat er wor ks Ser vi ce- Si zes 100 mm t hr ough 3600 mm 4 i n. t hr ough 144 i n.

AWWA C208 ( 2017) Di mensi ons f or Fabr i cat ed St eel Wat er Pi pe Fi t t i ngs

AWWA M11 ( 2016) St eel Pi pe: A Gui de f or Desi gn and Installation

AMERI CAN WELDI NG SOCI ETY ( AWS)

AWS D1. 1/ D1. 1M ( 2015; Er r at a 1 2015; Er r at a 2 2016) St r uct ur al Wel di ng Code - St eel

ASME I NTERNATI ONAL ( ASME)

ASME B16. 5 ( 2017) Pi pe Fl anges and Fl anged Fi t t i ngs NPS 1/ 2 Thr ough NPS 24 Met r i c/ I nch St andar d

ASME B17. 1 ( 1967; R 2017) Keys and Keyseat s

ASME B31. 1 ( 2016; Er r at a 2016) Power Pi pi ng


ASME B36. 10M ( 2015; Er r at a 2016) Wel ded and Seaml ess Wr ought St eel Pi pe

ASME B46. 1 ( 2009) Sur f ace Text ur e, Sur f ace Roughness, Wavi ness and Lay

ASME BPVC SEC I X ( 2010) BPVC Sect i on I X- Wel di ng and Br azi ng Qualifications

ASTM I NTERNATI ONAL ( ASTM)

ASTM A108 ( 2013) St andar d Speci f i cat i on f or St eel Bar , Car bon and Al l oy, Col d- Fi ni shed

ASTM A126 ( 2004; R 2014) St andar d Speci f i cat i on f or Gr ay I r on Cast i ngs f or Val ves, Fl anges, and Pi pe Fi t t i ngs

ASTM A217/ A217M ( 2014) St andar d Speci f i cat i on f or St eel Cast i ngs, Mar t ensi t i c St ai nl ess and Al l oy, f or Pr essur e- Cont ai ni ng Par t s, Sui t abl e f or Hi gh- Temper at ur e Ser vi ce

ASTM A242/ A242M ( 2013) St andar d Speci f i cat i on f or Hi gh- St r engt h Low- Al l oy St r uct ur al St eel

ASTM A269/ A269M ( 2015a) St andar d Speci f i cat i on f or Seaml ess and Wel ded Aust eni t i c St ai nl ess St eel Tubi ng f or Gener al Ser vi ce

ASTM A27/ A27M ( 2017) St andar d Speci f i cat i on f or St eel Cast i ngs, Car bon, f or Gener al Appl i cat i on

ASTM A276/ A276M ( 2017) St andar d Speci f i cat i on f or St ai nl ess St eel Bar s and Shapes

ASTM A285/ A285M ( 2017) St andar d Speci f i cat i on f or Pr essur e Vessel Pl at es, Car bon St eel , Low- and I nt er medi at e- Tensi l e St r engt h

ASTM A312/ A312M ( 2017) St andar d Speci f i cat i on f or Seaml ess, Wel ded, and Heavi l y Col d Wor ked Aust eni t i c St ai nl ess St eel Pi pes

ASTM A351/ A351M ( 2016) St andar d Speci f i cat i on f or Cast i ngs, Aust eni t i c , f or Pr essur e- Cont ai ni ng Par t s

ASTM A352/ A352M ( 2017) St andar d Speci f i cat i on f or St eel Cast i ngs, Fer r i t i c and Mar t ensi t i c , f or Pr essur e- Cont ai ni ng Par t s, Sui t abl e f or Low- Temper at ur e Ser vi ce

ASTM A36/ A36M ( 2014) St andar d Speci f i cat i on f or Car bon St r uct ur al St eel

ASTM A48/ A48M ( 2003; R 2012) St andar d Speci f i cat i on f or Gr ay I r on Cast i ngs


ASTM A516/ A516M ( 2017) St andar d Speci f i cat i on f or Pr essur e Vessel Pl at es, Car bon St eel , f or Moder at e- and Lower - Temper at ur e Ser vi ce

ASTM A576 ( 2017) St andar d Speci f i cat i on f or St eel Bar s, Car bon, Hot - Wr ought , Speci al Qual i t y

ASTM A609/ A609M ( 2012) St andar d Speci f i cat i on f or Cast i ngs, Car bon, Low- Al l oy, and Mar t ensi t i c St ai nl ess St eel , Ul t r asoni c Exami nat i on Ther eof

ASTM A668/ A668M ( 2017) St andar d Speci f i cat i on f or St eel For gi ngs, Car bon and Al l oy, f or Gener al I ndust r i al Use

ASTM A743/ A743M ( 2017) St andar d Speci f i cat i on f or Cast i ngs, I r on- Chr omi um, I r on- Chr omi um- Ni ckel , Cor r osi on Resi st ant , f or Gener al Appl i cat i on

ASTM B148 ( 2014) St andar d Speci f i cat i on f or Al umi num- Br onze Sand Cast i ngs

ASTM B584 ( 2014) St andar d Speci f i cat i on f or Copper Al l oy Sand Cast i ngs f or Gener al Applications

ASTM B98/ B98M ( 2013) St andar d Speci f i cat i on f or Copper - Si l i con Al l oy Rod, Bar , and Shapes

ASTM D2000 ( 2012; R 2017) St andar d Cl assi f i cat i on Syst em f or Rubber Pr oduct s i n Aut omot i ve Applications

ASTM E165/ E165M ( 2012) St andar d Pr act i ce f or Li qui d Penet r ant Exami nat i on f or Gener al I ndust r y

ASTM E709 ( 2015) St andar d Gui de f or Magnet i c Par t i c l e Exami nat i on

ASTM F1476 ( 2007; R 2013) St andar d Speci f i cat i on f or Per f or mance of Gasket ed Mechani cal Coupl i ngs f or Use i n Pi pi ng Appl i cat i ons

HYDRAULI C I NSTI TUTE ( HI )

HI 9. 1- 9. 5 ( 2000) Pumps - Gener al Gui del i nes f or Types, Appl i cat i ons, Def i ni t i ons, Sound Measur ement s and Document at i on

HI 9. 6. 4 ( 2009) Rot odynami c Pumps f or Vi br at i on Anal ysi s and Al l owabl e Val ues

HI ANSI / HI 14. 6 ( 2011) Rot odynami c Pumps f or Hydr aul i c Per f or mance Accept ance Test s - A136

HI ANSI / HI 9. 8 ( 2014) Rot odynami c Pumps f or Pump I nt ake


Desi gn - A123

I NTERNATI ONAL ORGANI ZATI ON FOR STANDARDI ZATI ON ( I SO)

I SO 1940- 1 ( 2003; R 2008) Mechani cal Vi br at i on - Bal ance Qual i t y Requi r ement s f or Rot or s i n a Const ant ( Ri gi d) St at e - Par t 1: Speci f i cat i on and Ver i f i cat i on of Bal ance Tolerances

I NTERNATI ONAL SOCI ETY OF AUTOMATI ON ( I SA)

I SA RP2. 1 ( 1978) Manomet er Tabl es

U. S. ARMY CORPS OF ENGI NEERS ( USACE)

EM 1110- 2- 3105 ( 1999; Change 2) Mechani cal and El ect r i cal Desi gn of Pumpi ng St at i ons

U. S. DEPARTMENT OF DEFENSE ( DOD)

UFC 3- 310- 04 ( 2013; wi t h Change 1) Sei smi c Desi gn f or Buildings

1. 3 SUBMITTALS

**************************************************************************NOTE: Revi ew submi t t al descr i pt i on ( SD) def i ni t i ons i n Sect i on 01 33 00 SUBMI TTAL PROCEDURES and edi t t he f ol l owi ng l i s t t o r ef l ect onl y t he submi t t al s r equi r ed f or t he pr oj ect .

The Gui de Speci f i cat i on t echni cal edi t or s have desi gnat ed t hose i t ems t hat r equi r e Gover nment appr oval , due t o t hei r compl exi t y or cr i t i cal i t y , wi t h a " G. " Gener al l y, ot her submi t t al i t ems can be r evi ewed by t he Cont r act or ' s Qual i t y Cont r ol Syst em. Onl y add a “ G” t o an i t em, i f t he submi t t al i s suf f i c i ent l y i mpor t ant or compl ex i n cont ext of t he pr oj ect .

For submi t t al s r equi r i ng Gover nment appr oval on Ar my pr oj ect s, a code of up t o t hr ee char act er s wi t hi n t he submi t t al t ags may be used f ol l owi ng t he " G" desi gnat i on t o i ndi cat e t he appr ovi ng aut hor i t y. Codes f or Ar my pr oj ect s usi ng t he Resi dent Management Syst em ( RMS) ar e: " AE" f or Ar chi t ect - Engi neer ; " DO" f or Di st r i c t Of f i ce ( Engi neer i ng Di v i s i on or ot her or gani zat i on i n t he Di st r i c t Of f i ce) ; " AO" f or Ar ea Of f i ce; " RO" f or Resi dent Of f i ce; and " PO" f or Pr oj ect Of f i ce. Codes f ol l owi ng t he " G" t ypi cal l y ar e not used f or Navy, Ai r For ce, and NASA pr oj ect s.

Use t he " S" c l assi f i cat i on onl y i n SD- 11 Cl oseout Submi t t al s. The " S" f ol l owi ng a submi t t al i t em i ndi cat es t hat t he submi t t al i s r equi r ed f or t he Sust ai nabi l i t y eNot ebook t o f ul f i l l f eder al l y mandat ed sust ai nabl e r equi r ement s i n accor dance wi t h


Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG.

Choose t he f i r st br acket ed i t em f or Navy, Ai r For ce and NASA pr oj ect s, or choose t he second br acket ed i t em f or Ar my pr oj ect s.

**************************************************************************

Gover nment appr oval i s r equi r ed f or submi t t al s wi t h a " G" desi gnat i on; submi t t al s not havi ng a " G" desi gnat i on ar e f or [ Cont r act or Qual i t y Cont r ol appr oval . ] [ i nf or mat i on onl y. When used, a desi gnat i on f ol l owi ng t he " G" desi gnat i on i dent i f i es t he of f i ce t hat wi l l r evi ew t he submi t t al f or t he Gover nment . ] Submi t t al s wi t h an " S" ar e f or i ncl usi on i n t he Sust ai nabi l i t y eNot ebook, i n conf or mance t o Sect i on 01 33 29 SUSTAI NABI LI TY REPORTI NG. Submi t t he f ol l owi ng i n accor dance wi t h Sect i on 01 33 00 SUBMI TTAL PROCEDURES:

SD- 02 Shop Dr awi ngs

Det ai l Dr awi ngs; G[ , [ _____] ]

Pump Base Pl at e And The Anchor i ng Bol t s; G[ , [ ____] ]

SD- 03 Pr oduct Dat a

Humi di t y- Cont r ol l ed St or age

Mat er i al s; G[ , [ _____] ]

Spar e Par t s

Tot al Head; G[ , [ _____] ]

Shi ppi ng Bi l l s

Pump Cur ves; G[ , [ ____] ]

Pr el i mi nar y Pump Cur ves; G[ , [ ____] ]

I nst al l at i on and Er ect i on I nst r uct i ons Manual

Fi el d Test s

I mpel l er Wei ght

SD- 04 Sampl es

Mat er i al s; G[ , [ _____] ]

SD- 05 Desi gn Dat a

Dynami c Anal ysi s; G[ , [ _____] ]

St r ess- Rel i evi ng Pr ocedur e; G[ , [ ____] ]

FSI Connect i on; G[ , [ ____] ]

Cent r al i zed Pr essur e Lubr i cat i on Syst em; G[ , [ ____] ]

Pi pi ng; G[ , [ ____] ]


Basepl at es and t he Anchor i ng Bol t s

SD- 06 Test Repor t s

Wi t ness Test .

Fact or y Test

Bal anci ng Pr ocedur e; G[ , [ ____] ]

Resul t s Of I mpel l er Bal anci ng

SD- 07 Cer t i f i cat es

Qual i f i ed Wel der s

Exami nat i on Pr ocedur e And Qual i f i cat i on Of The Exami ner ; G[, [____]]

SD- 10 Oper at i on and Mai nt enance Dat a

Oper at i on and Mai nt enance I nst r uct i ons Manual ; G[ , [ _____] ]

1. 4 QUALI TY ASSURANCE

Fur ni sh one or mor e compet ent er ect i ng engi neer s who i s knowl edgeabl e about t he i nst al l at i on of ver t i cal pumps and associ at ed dr i ve machi ner y. Er ect i ng engi neer s pr ovi ded by t hi s sect i on i ncl ude t hose f r om t he Cont r act or ' s suppl i er s. When so r equest ed, er ect i ng engi neer s must pr ovi de and be r esponsi bl e f or pr ovi di ng compl et e and cor r ect di r ect i on dur i ng i ni t i al st ar t i ng and subsequent oper at i on of equi pment unt i l f i el d t est s ar e compl et ed. The er ect i ng engi neer must i ni t i at e i nst r uct i ons f or act i ons necessar y f or pr oper r ecei pt , i nspect i on, handl i ng, uncr at i ng, assembl y, and t est i ng of equi pment . The Er ect i ng Engi neer ( s) must al so keep a r ecor d of measur ement s t aken dur i ng er ect i on, and f ur ni sh one copy t o t he Cont r act i ng Of f i cer on r equest or on compl et i on of i nst al l at i on of t he assembl y or par t . The er ect i ng engi neer must i nst r uct t he Cont r act i ng Of f i cer i n oper at i on and mai nt enance f eat ur es of wor k.

1. 4. 1 Det ai l Dr awi ngs

**************************************************************************NOTE: Sel ect appr opr i at e al t er nat e par agr aph " d" . The f i r st par agr aph ( Al t er nat e 1) may be used f or pump wi t h di schar ge di amet er s up t o and i ncl udi ng 1350 mm 54 i nch. The second par agr aph ( Al t er nat e 2) shoul d be used f or pumps wi t h di schar ge di amet er s above 1350 mm 54 i nch.

**************************************************************************

Submi t dr awi ngs of suf f i c i ent s i ze t o be easi l y r ead, wi t hi n [ 90] [ _____] days of not i ce of awar d of cont r act . Submi t i nf or mat i on i n t he Engl i sh l anguage. Pr ovi de wi t h Engl i sh ( I P) di mensi ons[ , or met r i c wi t h Engl i sh conver si on] . [ Submi t dr awi ngs r equi r i ng changes as a r esul t of model t est wi t hi n 45 days af t er appr oval of model t est . ] Dr awi ngs must consi st of compl et e desi gns of t he pump, pump i nst al l at i on i nst r uct i ons, per f or mance char t s, br ochur es, and ot her i nf or mat i on r equi r ed t o i l l ust r at e t hat t he ent i r e pumpi ng syst em ( i ncl udi ng t he pump, [ engi ne] [ mot or ] [ and speed


r educer ] has been coor di nat ed and wi l l f unct i on as a uni t .

a. Out l i ne dr awi ngs of t he pump showi ng per t i nent di mensi ons and wei ght of each component of t he pump. Pr epar e dr awi ngs t o scal e.

b. Dr awi ng showi ng det ai l s and di mensi ons of pump mount i ng desi gn or l ayout i ncl udi ng any embedded i t ems[ and t he FSI ] .

c. Cr oss- sect i onal dr awi ngs of t he pump showi ng each component . Show maj or or compl i cat ed sect i ons of t he pump i n det ai l . I ndi cat e on each dr awi ng an i t emi zed l i s t of component s showi ng t ype, gr ade, and cl ass of mat er i al used and make and model number of st andar d component used.

[ d. Al t er nat e 1) Det ai l and assembl y dr awi ngs r equi r ed f or manuf act ur i ng showi ng di mensi ons, t ol er ances, and cl ear ances of shaf t s, [ s l eeve j our nal s] , bear i ngs, i ncl udi ng di mensi ons of gr oovi ng, coupl i ngs, and packi ng gl and, and di amet er and t i p c l ear ance of pr opel l er . ]

[ d. Al t er nat e 2) Det ai l and assembl y dr awi ngs of ent i r e pump. I ncl ude al l di mensi ons r equi r ed t o manuf act ur e pump. ]

e. Dr awi ngs cover i ng er ect i on and i nst al l at i on, t hat ar e i nt ended t o be f ur ni shed t o t he er ect i ng engi neer .

f . Dr awi ngs of t he pump; base pl at e showi ng i t s di mensi ons. I ncl ude cal cul at i ons used i n t he desi gn of t he t hi ckness of t he pump base pl at e and t he anchor i ng bol t s t o ensur e t hat t he pr oper f or ces ( shear , t or s i on, et c. ) have been consi der ed.

1. 4. 2 Welding

Wel d st r uct ur al member s i n accor dance wi t h Sect i on 05 05 23. 16 STRUCTURAL WELDI NG. For al l ot her wel di ng, pr ocedur es and wel der s must be qual i f i ed i n accor dance wi t h ASME BPVC SEC I X. Wel di ng pr ocedur es qual i f i ed by ot her s, and wel der s and wel di ng oper at or s qual i f i ed by a pr evi ousl y qual i f i ed empl oyer may be accept ed as per mi t t ed by ASME B31. 1. Per f or m wel der qual i f i cat i on t est s f or each wel der whose qual i f i cat i ons ar e not i n compl i ance wi t h t he r ef er enced st andar ds. Not i f y t he Cont r act i ng Of f i cer 24 hour s i n advance of qual i f i cat i on t est s. Per f or m t he qual i f i cat i on t est s at t he wor k s i t e i f pr act i cal . The wel der or wel di ng oper at or must appl y t hei r assi gned symbol near each wel d made as a per manent r ecor d.

The names of al l qual i f i ed wel der s, t hei r i dent i f y i ng symbol s, and t he qual i f y i ng pr ocedur es f or each wel der i ncl udi ng suppor t dat a such as t est pr ocedur es used, and st andar ds t est ed t o.

1. 5 DELI VERY, STORAGE, AND HANDLI NG

1. 5. 1 General

Fur ni sh maj or pump component s wi t h l i f t i ng l ugs or eye bol t s t o f ac i l i t at e handl i ng. Desi gn and ar r ange l ugs or bol t s t o al l ow saf e handl i ng of pump component s s i ngl y or col l ect i vel y as r equi r ed dur i ng shi ppi ng, i nst al l at i on, and mai nt enance. Submi t copi es of cer t i f i ed shi ppi ng bi l l s t o t he Cont r act i ng Of f i cer or memor andums of al l shi pment s of f i ni shed pi eces or member s t o desi gnat ed s i t e, gi v i ng desi gnat i on mar k and wei ght of each pi ece, number of pi eces, t ot al wei ght , and i f shi pped by r ai l i n car l oad l ot s, car i ni t i al and number .


1. 5. 2 Pr ocessi ng f or St or age

Pr epar e pumps ( and spar e par t s) f or st or age i ndoor s. I ndoor st or age consi st s of a per manent bui l di ng t hat has a l eak- pr oof r oof , f ul l wal l s t o cont ai n st or ed equi pment , and a concr et e f l oor or t empor ar y t r ai l er s. A t empor ar y st r uct ur e may al so be bui l t at t he j ob s i t e f or equi pment st or age t hat wi l l cont ai n f eat ur es of t he per manent bui l di ng above except t hat pr ovi s i on f or vent i l at i on wi l l be pr ovi ded and f l oor may be cr ushed r ock. A vapor bar r i er wi l l be pr ovi ded bel ow t he cr ushed r ock. Cr ushed r ock wi l l be of suf f i c i ent t hi ckness so t hat set t l ement of equi pment wi l l not occur . Equi pment st or ed on cr ushed r ock wi l l have cr i bbi ng under each suppor t l ocat i on so t hat equi pment does not come i n cont act wi t h cr ushed r ock. A pl ast i c bar r i er wi l l be pl aced bet ween equi pment and wood cr i bbi ng. Submi t a l i s t of equi pment and mat er i al s r equi r i ng humi di t y- cont r ol l ed st or age t o t he Cont r act i ng Of f i cer no l at er t han 30 days pr i or t o shi pment of pumpi ng uni t s. St or e l ong t er m ( gr eat er t han 6 mont hs) i n accor dance wi t h pump manuf act ur er ' s r ecommendat i ons.

1. 6 PROJECT/ SI TE CONDI TI ONS

1. 6. 1 Datum

El evat i ons shown or r ef er r ed t o i n speci f i cat i ons, ar e above [ pl us] or bel ow [ mi nus] [ mean sea l evel ] Nat i onal Geodet i c Ver t i cal Dat um ( NGVD) [_____].

1. 6. 2 [ St at i c] [ Pool - To- Pool ] [ Bowl ] Head

**************************************************************************NOTES: Sel ect appr opr i at e al t er nat e par agr aph.

St at i c head ( 1st al t er nat e) i s gener al l y used f or pumpi ng st at i ons havi ng di schar ges over t he pr ot ect i on, f r ee di schar ge or a di schar ge chamber t ype pumpi ng st at i on. I f t hi s al t er nat e i s sel ect ed, t he Speci f i er shoul d at t ach FI GURE 1, SYSTEM LOSS CURVE t o t he end of t hi s sect i on.

Pool - t o- pool heads ( 2nd al t er nat e) ar e usual l y speci f i ed when t he di schar ge and suct i on syst ems ar e compl ex and t ot al head i s f ound by model t est or det er mi ned by t he Cont r act or .

Bowl Head ( 3r d al t er nat e) .**************************************************************************

[ St at i c head i s t he di f f er ence, i n met er s f eet , bet ween wat er sur f ace el evat i on i n t he [ sump bay] [ sump] [ i mmedi at el y i nsi de t r ash r ack] and [ t op of di schar ge pi pe at hi ghest el evat i on] [ wat er sur f ace el evat i on of [ r i ver ] [ l ake] [ di schar ge chamber ] [ cent er l i ne of di schar ge f l ap gat e i n di schar ge chamber ] [ _____] ] . Tot al head i ncl udes st at i c head, f r i c t i on l osses out s i de of equi pment bei ng f ur ni shed, pl us vel oci t y head l oss. [ A cur ve showi ng f r i c t i on l osses pl us vel oci t y head f or pumped capaci t i es i s i ncl uded at t he end of t hi s sect i on. ] ]

[ Pool - t o- pool head i s t he di f f er ence i n met er s f eet bet ween t he wat er sur f ace el evat i on i n t he [ sump bay] [ sump] and wat er sur f ace el evat i on i n [ di schar ge chamber ] [ di schar ge channel ] [ r i ver ] [ _____] . The pump manuf act ur er must det er mi ne t ot al head. Submi t comput at i ons of t ot al head


and l osses. Tot al head i ncl udes l osses f r om t he wat er sur f ace on t he suct i on s i de of t he pump t o di schar ge wat er sur f ace. ]

[ Bowl head i s t he di f f er ence i n met er s f eet bet ween t he wat er sur f ace el evat i on i n t he [ sump bay] [ sump] [ i mmedi at el y i nsi de of t r ash r ack] and t he el evat i on of t he di f f user exi t pl us head of wat er occur r i ng at t he di f f user exi t . Pump manuf act ur er must det er mi ne t ot al head. Tot al head i ncl udes l osses beyond t he pump di f f user pl us vel oci t y head l oss. ]

1. 7 MAINTENANCE

1. 7. 1 Speci al Tool s

**************************************************************************NOTE: Add appl i cabl e sect i ons f or dr i ve uni t s used.

**************************************************************************

Fur ni sh one set of al l " speci al t ool s" r equi r ed t o compl et el y assembl e, di sassembl e, or mai nt ai n t he pumps. " Speci al t ool s" r ef er t o over s i zed or speci al l y di mensi oned t ool s, speci al at t achment s or f i x t ur es, or any s i mi l ar i t ems. I f r equi r ed, pr ovi de a devi ce f or t empor ar i l y suppor t i ng t he pump shaf t and i mpel l er dur i ng assembl y, di sassembl y, and r eassembl y of t he [ mot or ] [ gear r educer ] when t he t hr ust bear i ng i s not i n pl ace. Fur ni sh l i f t i ng devi ces r equi r ed f or use i n conj unct i on wi t h [ t he over head ] [ a t r uck] cr ane. Pr ovi de a por t abl e st eel cabi net l ar ge enough t o accommodat e al l " speci al t ool s" f ur ni shed under t hi s par agr aph and as r equi r ed by Sect i on( s) [ 26 29 01. 00 10 ELECTRI C MOTORS, 3- PHASE VERTI CAL I NDUCTI ON TYPE] [ 26 29 02. 00 10 ELECTRI C MOTORS, 3- PHASE VERTI CAL SYNCHRONOUS TYPE] , [ 41 65 10. 00 10 [ DI ESEL] / [ NATURAL GAS FUELED] ENGI NE PUMP DRI VES] and [ 35 45 03. 00 10 SPEED REDUCERS FOR STORM WATER PUMPS] . Mount t he cabi net on f our r ubber - t i r ed cast er s. Pr ovi de dr awer s t o accommodat e t ool s. Fi t f r ont of cabi net wi t h door s hi nged t o swi ng hor i zont al l y . Fur ni sh door s wi t h necessar y st ops, cat ches, and hasps f or compl et el y secur i ng t he cabi net wi t h a padl ock. Fur ni sh t he padl ock compl et e wi t h t hr ee keys. Pack " speci al t ool s" i n wooden boxes i f t he s i ze and wei ght do not per mi t st or age i n t he t ool cabi net . Pr ovi de s l i ngs i f t he box and t ool s ar e heavi er t han 34 kg 75 pounds.

[ 1. 7. 2 Ext r a Mat er i al s

**************************************************************************NOTE: Spar e par t s shoul d be r equi r ed i f est i mat ed st at i on oper at i ng hour s ar e gr eat er t han 500 hour s per year . Spar e par t s shoul d al so be consi der ed f or pumps l ocat ed i n r emot e l ocat i ons and f or pumps wi t h unusual desi gn. Spar e par t s f or pumpi ng st at i ons havi ng mor e t han t hr ee pumps of i dent i cal const r uct i on shoul d be consi der ed, s i nce acqui s i t i on of t hese spar es wi l l be mor e economi cal when pur chased wi t h t he pumpi ng uni t s. Deci s i ons on r equi r i ng spar e par t s can al so be based on f ur ni shi ng spar e par t s f or st at i ons i n r emot e ar eas or havi ng unusual l y desi gned pumps wher e par t s coul d t ake consi der abl e t i me t o obt ai n. When spar e par t s ar e i ncl uded as par t of t he or i gi nal suppl y cont r act , t hei r cost woul d pr obabl y be hal f of t hei r cost i f obt ai ned af t er or i gi nal const r uct i on. When spar e par t s ar e i ncl uded as par t of t he or i gi nal pur chase of t he pumpi ng uni t s, t hei r cost coul d be


l ess t han one hal f of t he cost when obt ai ned at a l at er dat e.

Sel ect appr opr i at e al t er nat e par agr aphs f or subpar agr aphs " d" and " f " , bel ow.

**************************************************************************

Fur ni sh t he f ol l owi ng spar e par t s:

a. One compl et e r epl acement set of bear i ngs, bear i ng shel l s, j our nal s l eeves, shaf t coupl i ng, i f appl i cabl e, and seal s f or each si ze pump.

b. One compl et e r epl acement set of wear i ng par t s f or t he packi ng gl and f or each si ze pump, and suf f i c i ent packi ng f or al l pumps.

c. Fi f t y per cent of each si ze and l engt h of bol t , nut , and washer used on each si ze pump assembl y.

d. [ One l ube pump, compl et e wi t h mot or and t i mer cont r ol , f or t he cent r al i zed l ubr i cat i on syst em. ] [ One compl et e manual l y oper at ed cent r al i zed l ubr i cat i on syst em. ] [ One oi l s t or age cont ai ner i ncl udi ng dr i p devi ce and sol enoi d oi l val ve. ]

e. One compl et e mai n pump shaf t , i ncl udi ng keys and t hr ust col l ar s.

f . [ One compl et e pump i mpel l er f or each si ze pump. ] [ One compl et e mai n pump i mpel l er bowl assembl y f or each si ze pump, consi st i ng of t he i mpel l er bowl , di f f user bowl , suct i on bel l i f so equi pped, i mpel l er shaf t wi t h s l eeves, bear i ngs, i mpel l er , and al l f ast ener s r equi r ed t o make a compl et e assembl y. ] Al l spar e par t s must be dupl i cat es of t he or i gi nal par t s f ur ni shed and be i nt er changeabl e t her ewi t h. Pack spar e par t s i n cr at es as speci f i ed i n par agr aph PROCESSI NG FOR STORAGE, subpar agr aph GENERAL. Pr ovi de s l i ngs i f t he cr at es and par t s ar e heavi er t han 34 kg 75 pounds.

g. Pr ovi de copi es of manuf act ur er ' s compl et e par t s l i s t showi ng al l par t s, spar e par t s, and bul l et i ns f or each si ze pump. Cl ear l y show al l det ai l s and par t s, and adequat el y descr i be par t s or have pr oper i dent i f i cat i on mar ks.

] [ 1. 8 Warranty

**************************************************************************NOTE: Consi der i ncl udi ng an ext ended war r ant y f or t he pumpi ng equi pment i f t her e i s a l i kel i hood t hat t he pumpi ng equi pment wi l l be oper at ed ver y l i t t l e dur i ng t he f i r st year s due t o a l ack of wat er , ongoi ng i nt er connect ed pr oj ect s, or per mi t t i ng issues.

**************************************************************************The manuf act ur er of t he axi al - f l ow i mpel l er - t ype ver t i cal pumps must pr ovi de a war r ant y al l equi pment f ur ni shed under t hi s sect i on agai nst def ect i ve wor kmanshi p, mat er i al s, desi gn, and per f or mance f or a per i od of [ _____] year s f r om t he dat e t he equi pment i s accept ed. I f t he equi pment or any par t t her eof does not conf or m t o t hese war r ant i es, and t he Gover nment so not i f i es t he manuf act ur er wi t hi n a r easonabl e t i me af t er i t s di scover y, t he manuf act ur er must t her eupon pr ompt l y cor r ect such nonconf or mi t y by r epai r or r epl acement . Coor di nat e t he down t i me f or t he equi pment wi t h t he Gover nment , and be kept t o a mi ni mum dur at i on t hat i s mut ual l y agr eed t o by


t he manuf act ur er and t he Gover nment . The manuf act ur er i s l i abl e dur i ng t he war r ant y per i od f or t he di r ect cost of r emoval of t he equi pment f r om t he i nst al l ed l ocat i on, t r anspor t at i on t o t he manuf act ur er ' s f act or y or ser vi ce shop f or r epai r and r et ur n, and r ei nst al l at i on on s i t e. The manuf act ur er wi l l be gi ven t he oppor t uni t y t o per f or m t he r emoval and r ei nst al l at i on and t o sel ect t he means of t r anspor t at i on. The expense of r emovi ng adj acent appar at us, i nst al l i ng spar e equi pment , cost s of suppl y i ng t empor ar y ser vi ce, i s not i ncl uded i n t hi s war r ant y pr ovi s i on.

] PART 2 PRODUCTS

2. 1 SYSTEM DESCRI PTI ON

Desi gn, f ur ni sh, and i nst al l [ _____] [ i dent i cal ] ver t i cal [ axi al - f l ow] [ or ] [ mi xed- f l ow] , s i ngl e [ or t wo- ] st age i mpel l er - t ype pumps, as i ndi cat ed. The pumpi ng syst ems i ncl ude pumps, [ di esel engi ne pump dr i ves] , [ el ect r i c mot or pump dr i ves] , [ and r educt i on gear s] . The pump manuf act ur er i s r esponsi bl e f or t he equi pment of t he ent i r e pumpi ng syst ems. Ther ef or e, t he [ di esel engi nes] , [ el ect r i c mot or ] , [ and r educt i on gear s] shoul d be sel ect ed by t he pump manuf act ur er .

2. 1. 1 Desi gn Requi r ement s

**************************************************************************NOTE: Del et e t he r ef er ence t o t he pump oper at i ng i n t he dr y i f t he pump i s pr oduct - wat er l ubr i cat ed. Sel ect appr opr i at e al t er nat e par agr aph f or subpar agr aph " d" . A di schar ge l i ne i s used f or al l appl i cat i ons, except f or st at i ons t hat have t he di schar ge syst em i nt egr al wi t h t he wal l of t he pumpi ng st at i on.

**************************************************************************

a. Pumps ar e f or t he pur pose of pumpi ng [ _____] f r om [ _____] i nt o [ _____] . Wat er pumped wi l l not exceed [ _____] degr ees C F, wi l l be r el at i vel y t ur bi d, and may cont ai n sand, s i l t , and veget at i ve t r ash capabl e of passi ng t hr ough t he t r ash r ack. Tr ash r acks wi l l have [ _____] mm i nch c l ear openi ngs. [ Desi gn pumps t o oper at e i n t he dr y. ]

b. Dr i ve t he pumps wi t h t he [ ver t i cal ] [ hor i zont al ] [ i nduct i on] [ synchr onous] [ mot or s descr i bed i n Sect i on [ 26 29 01. 00 10 ELECTRI C MOTORS, 3- PHASE VERTI CAL I NDUCTI ON TYPE] [ 26 29 02. 00 10 ELECTRI C MOTORS, 3- PHASE VERTI CAL SYNCHRONOUS TYPE] ] [ hor i zont al cr ankshaf t di esel engi nes descr i bed i n Sect i on [ 41 65 10. 00 10 [ DI ESEL] / [ NATURAL GAS FUELED] ENGI NE PUMP DRI VES] , ] [ t hr ough r i ght angl e, ver t i cal shaf t , r educer s descr i bed i n Sect i on [ 35 45 03. 00 10 SPEED REDUCERS FOR STORM WATER PUMPS] ] as i ndi cat ed.

c. Desi gn pumps so t hat no maj or modi f i cat i ons, al t er at i ons, or addi t i ons wi l l be r equi r ed t o t he pumpi ng st at i on or suct i on bays t o accommodat e t hem. However , r equest s f or changes i n set t i ng of pump, suppor t s, and accessor i es t hat woul d i nvol ve onl y mi nor modi f i cat i ons, wi l l be consi der ed. Desi gn pump so t hat pump par t s wi l l f i t wi t hi n t he l i mi t i ng hor i zont al and ver t i cal di mensi ons shown and t hat i nst al l at i on and mai nt enance can be accompl i shed by t he [ i nt er i or ; over head t r avel i ng cr ane, ] [ t r uck cr ane usi ng hat ch i n r oof . ] Pumps, [ or pump par t s assembl ed at pumpi ng st at i on] must be capabl e of bei ng l ower ed t hr ough f l oor openi ngs shown wi t h a mi ni mum of 25 mm 1 i nch c l ear ance ar ound each si de.


[ d. Each pump must di schar ge i nt o di schar ge syst em shown. Syst em l oss cur ve, whi ch i nc l udes f r i c t i on l osses f r om pump di schar ge el bow t o [ end of di schar ge l i ne] , [ begi nni ng of down [ r i ver war d] l eg of di schar ge l i ne] , i ncl udi ng bend l osses, exi t l oss, and vel oci t y head, i s i ncl uded as Fi gur e 1 at end of t hi s sect i on t o per mi t det er mi nat i on of t ot al head. Det er mi ne l osses wi t hi n t he pump. ]

[ d. Each pump di schar ge syst em downst r eam of pump [ di schar ge el bow] [ di f f user ] must be desi gned by t he pump manuf act ur er . I t must be of t ype shown and f i t wi t hi n l i mi t i ng di mensi ons and el evat i ons shown. Det er mi ne al l l osses f or di schar ge syst em and submi t f or appr oval . ]

[ d. Each pump must di schar ge i nt o di schar ge chamber shown. Syst em l oss cur ve( s) f ur ni shed i ncl udes al l l osses beyond t he di schar ge el bow. Det er mi ne l osses wi t hi n t he pump. ]

[ e. Accompl i sh pr i mi ng of s i phon [ wi t h] [ wi t hout ] assi st ance of vacuum equipment. ]

[ f . Desi gn t he pump and col umn t o be i nst al l ed and r emoved usi ng t he [ _____] kg t on over head cr ane i ndi cat ed. Desi gn t he pump and col umn sect i on l engt hs wi t h t he i ndi cat ed cr ane l i f t as a l i mi t i ng f act or . ]

g. The desi gn ( dr awi ngs, comput at i ons, et c. ) must be s i gned and seal ed by a pr of essi onal engi neer .

2. 1. 2 Capacities

**************************************************************************NOTE: Sel ect appr opr i at e al t er nat e par agr aphs. Capaci t i es ar e t hose det er mi ned f r om ear l i er desi gn st udi es f or t he st at i on. I f hydr ol ogy/ hydr aul i c st udi es i ndi cat e t hat gr oss over - capaci t y may cause a pr obl em, as i n cer t ai n di schar ge chamber s, a maxi mum capaci t y shoul d be speci f i ed. I f a s i phon di schar ge syst em i s t o be used, t her e shoul d be a mi ni mum of t wo desi gn poi nt s l i s t ed; one f or t he pr i mi ng condi t i on and one f or t he desi gn oper at i ng condition.

**************************************************************************

Each pump must :

[ a. Di schar ge not l ess t han [ [ _____] m3/ s cf s] [ [ _____] L/ s gal / mi n] agai nst t ot al head cor r espondi ng t o a [ pool - t o- pool ] [ st at i c] [ bowl ] head of [ _____] m f eet wi t h wat er sur f ace i n sump at El evat i on [ _____] m f eet . ]

[ b. Di schar ge not l ess t han [ [ _____] m3/ s cf s] [ [ _____] L/ s gal / mi n] agai nst t ot al head cor r espondi ng t o a [ pool - t o- pool ] [ st at i c] [ bowl ] head of [ _____] m f eet wi t h wat er sur f ace i n sump at El evat i on [ _____] m f eet . ]

[ c. Di schar ge not l ess t han [ [ _____] m3/ s cf s] [ [ _____] L/ s gal / mi n] agai nst t ot al head cor r espondi ng t o a [ pool - t o- pool ] [ st at i c] [ bowl ] head of [ _____] m f eet wi t h wat er sur f ace i n sump at El evat i on [ _____] m f eet . ]

[ d. Be capabl e of const ant - speed oper at i on f r om a t ot al head cor r espondi ng t o a [ pool - t o- pool ] [ st at i c] [ bowl ] head of [ _____] m f eet down t o t ot al head cor r espondi ng t o a [ pool - t o- pool ] [ st at i c] [ bowl ] head of [ _____] m


f eet [ wi t h wat er sur f ace i n t he sump at El evat i on [ _____] ] . ]

[ Oper at i on of pump at condi t i on " a" may be at t he r ot at i ve speed, whi ch i s t he same as or di f f er ent f r om t hat r equi r ed t o meet condi t i on( s) " b" , " c" , and " d" . ]

[ 2. 1. 2. 1 Pr i med Condi t i on

Each pump must di schar ge not l ess t han [ [ ____] m3/ scf s [ _____] L/ sgal / mi n] agai nst a t ot al head cor r espondi ng t o a [ pool - t o- pool ] [ st at i c] [ bowl ] head of [ _____] mf eet . Thi s r at ed condi t i on i s based on an i nt ake canal el evat i on of [ _____] m f t and a di schar ge pool el evat i on of [ _____] mf eet . These pumps must be capabl e of const ant speed oper at i on f r om a pool - t o- pool head of [ _____] m f eet down t o and i ncl udi ng a pool - t o- pool head of [ _____] m f eet wi t h wat er sur f ace i n t he i nt ake sump r angi ng f r om el evat i on [ _____] m f eet t o el evat i on [ _____] m f eet . Once t he syst em i s pr i med, t he wat er l evel i n t he di schar ge i mpoundment can r ange f r om el evat i on [ _____] m f eet t o el evat i on [ _____] m f eet .

][ 2. 1. 2. 2 St ar t - Up Condi t i on

Upon st ar t up, each pump must di schar ge suf f i c i ent wat er f or t he pumps t o become pr i med and si phon r ecover y t o begi n. Si nce t he head condi t i ons wi l l be hi gher pr i or t o t he pump di schar ge pi pe becomi ng f i l l ed, t he pump may be oper at ed at a hi gher speed f or a shor t per i od of t i me. The pump f l ow must be suf f i c i ent t o r esul t i n a f l ow vel oci t y i n t he di schar ge pi pe of no l ess t han 2 m per second 7 f eet per second. The pump speeds may be changed dur i ng t he pump pr i mi ng per i od, but af t er pr i mi ng i s accompl i shed, t he pumps wi l l oper at e as const ant - speed pumps. Si phon br eaker val ves wi l l be used t o hel p pr i me t he pumps.

] 2. 1. 3 Pump Cur ves

I ndi cat e on t he pump cur ves f or t he submi t t ed pumps t hat t he pumps ar e capabl e of oper at i ng over t he ent i r e t ot al head cor r espondi ng t o t he [ f ul l pool - t o- pool ] [ s t at i c head r ange] . [ Al so pr ovi de pump cur ves f or t he st ar t up condi t i on f or pumps t hat ar e oper at ed at a di f f er ent speed dur i ng startup.]

Submi t pr el i mi nar y pump cur ves wi t h t he i ni t i al pump submi t t al . I ndi cat e t he pump' s expect ed t ot al head, st at i c heads, br ake hor sepower , and ef f i c i ency, as or di nat es. Pl ot agai nst t he pump di schar ge as t he absci ssa. The cur ves must i ndi cat e t hat t he pump meet s al l speci f i ed condi t i ons of capaci t y, head, br ake hor sepower , and ef f i c i ency.

2. 2 MATERIALS

**************************************************************************NOTE: The Desi gner shoul d di scuss mat er i al s and desi gn det ai l s f or speci f i c s i t e appl i cat i on wi t h pump manuf act ur er s; and t he Desi gner shoul d edi t Sect i ons 05 50 13, 05 50 14 and 05 50 15 as appropriate.

**************************************************************************

I f not speci f i ed, mat er i al s and f abr i cat i on must conf or m t o t he r equi r ement s of Sect i on [ 05 50 13 MI SCELLANEOUS METAL FABRI CATI ONS] [05 50 14 STRUCTURAL METAL FABRI CATI ONS] and Sect i on 05 50 15 CI VI L WORKS FABRI CATI ONS. Mat er i al sel ect i on not speci f i ed i s gui ded by HI 9. 1- 9. 5 f or


cor r osi on, er osi on, and abr asi on r esi st ance. Submi t copi es of pur chase or der s, devi at i ons f r om t he speci f i ed mat er i al s, mi l l or der s, shop or der s f or mat er i al s, and wor k or der s, i ncl udi ng or der s pl aced or ext ended by each suppl i er . Fur ni sh a l i s t desi gnat i ng mat er i al s t o be used f or each i t em at t i me of submi t t al of dr awi ngs. Fur ni sh, wi t hi n 60 days of not i ce of awar d, names of manuf act ur er s of machi ner y and ot her equi pment cont empl at ed t o be i ncor por at ed i n t he wor k, t oget her wi t h per f or mance capaci t i es and ot her r el evant i nf or mat i on per t ai ni ng t o t he equi pment . Submi t sampl es of mat er i al s as di r ect ed. Equi pment , mat er i al s, and ar t i c l es i nst al l ed or used wi t hout t he appr oval of t he Cont r act i ng Of f i cer ar e at r i sk of subsequent r ej ect i on.

a. I dent i f y each pump by means of a separ at e namepl at e per manent l y af f i xed i n a conspi cuous l ocat i on. The pl at e must bear t he manuf act ur er ' s name, model desi gnat i on, ser i al number i f appl i cabl e, and ot her per t i nent i nf or mat i on such as wat t age hor sepower , speed, capaci t y, t ype, di r ect i on of r ot at i on, et c. Make t he pl at e of cor r osi on- r esi st i ng met al wi t h r ai sed or depr essed l et t er i ng and a cont r ast i ng backgr ound.

b. Equi p each pump wi t h sui t abl y l ocat ed i nst r uct i on pl at es, i ncl udi ng any war ni ngs and caut i ons, descr i bi ng any speci al and i mpor t ant pr ocedur es t o be f ol l owed i n st ar t i ng, oper at i ng, and ser vi c i ng t he equi pment . Make t he pl at es of cor r osi on- r esi st i ng met al wi t h r ai sed or depr essed l et t er i ng and cont r ast i ng backgr ound.

c. Pr ovi de saf et y guar ds and/ or cover s wher ever necessar y t o pr ot ect t he oper at or s f r om acci dent al cont act wi t h movi ng par t s. Make guar ds and cover s of sheet st eel , expanded met al , or anot her accept abl e mat er i al and r emovabl e f or di sassembl y of t he pump.

2. 3 METALWORK FABRI CATI ON

2. 3. 1 Desi gnat ed Mat er i al s

Desi gnat ed mat er i al s must conf or m t o t he f ol l owi ng speci f i cat i ons, gr ades, and cl assi f i cat i ons.

MATERIALS SPECIFICATION GRADE, CLASS

Aluminum-Bronze ASTM B148 Al l oy No. C95500 Cast i ngs

Cast I r on ASTM A48/ A48M Cl ass Nos. 150A 150B, and 150C; 30A, 30B, and 30C

Cast St eel ASTM A27/ A27M Gr ade 65- 35, anneal ed

Cast St ai nl ess St eel ASTM A743/ A743M CF8

Coal Tar Pr ot ect i ve Coatings

AWWA C203

Col d- Rol l ed St eel Bar s ASTM A108 mi n, Wt . St r m 450 MPa 65, 000 psi

Copper Al l oy Cast i ngs ASTM B584 Al l oy No. C93700


MATERIALS SPECIFICATION GRADE, CLASS

Cor r osi on- Resi st ant Al l oy Casting

ASTM A217/ A217M Gr ade CA15

ASTM A352/ A352M CA6NM

ASTM A351/ A351M CF8M

Di mensi ons f or St eel Wat er Pi pi ng Fi t t i ngs

AWWA C208

Hot - Rol l ed St ai nl ess ASTM A576 Gr aded G10200 and G11410

Ri ng Fl anges AWWA C207 Cl ass B

Rubber Pr oduct s i n Aut omot i ve Appl i cat i ons

ASTM D2000

Seaml ess and Wel ded Aust eni t i c St ai nl ess St eel Pipe

ASTM A312/ A312M

St ai nl ess Bar s and Shapes ASTM A276/ A276M Gr ades S30400 and S41000

St eel For gi ng ASTM A668/ A668M Cl ass F

Cast St ai nl ess St eel ASTM A743/ A743M CF8

St eel Pi pe150 mm 6 i nch and Lar ger

AWWA C200

St eel Pl at es, Pr essur e Vessel

ASTM A516/ A516M Gr ade 55

St eel Pl at es, Pr essur e Vessel

ASTM A242/ A242M

St eel Pl at e, St r uct ur al Quality

ASTM A285/ A285M Gr ade B

St r uct ur al St eel ASTM A36/ A36M

Sur f ace Text ur e ( Sur f ace Roughness, Wavi ness, and Lay)

ASME B46. 1


2. 3. 2 Bol t ed Connect i ons

2. 3. 2. 1 Bol t s, Nut s, and Washer s

Bol t s, nut s, and washer s must conf or m t o r equi r ement s of par agr aph MATERI ALS AND METALWORK FABRI CATI ON, subpar agr aph DESI GNATED MATERI ALS, and par agr aph VERTI CAL PUMPS, subpar agr aph PUMP COLUMN AND DI SCHARGE ELBOW, subpar agr aph NUTS AND BOLTS f or t ypes r equi r ed. Use bevel ed washer s wher e bear i ng f aces have a s l ope of mor e t han 1: 20 wi t h r espect t o a pl ane nor mal t o bol t axi s.

2. 3. 2. 2 Mat er i al s Not Speci f i cal l y Descr i bed

Mat er i al s not speci f i cal l y descr i bed must conf or m t o l at est ASTM speci f i cat i on or t o ot her l i s t ed commer ci al speci f i cat i ons cover i ng c l ass or k i nds of mat er i al s t o be used.

2. 3. 3 Metalwork

2. 3. 3. 1 Fl ame Cut t i ng of Mat er i al

Fl ame cut t i ng of mat er i al ot her t han st eel i s subj ect t o appr oval of t he Cont r act i ng Of f i cer . Shear accur at el y, and neat l y f i ni sh al l por t i ons of wor k. St eel may be cut by mechani cal l y gui ded or hand- gui ded t or ches, pr ovi ded an accur at e pr of i l e wi t h a smoot h sur f ace f r ee f r om cr acks and not ches i s secur ed. Pr epar e sur f aces and edges t o be wel ded i n accor dance with AWS D1. 1/ D1. 1M. Chi ppi ng and/ or gr i ndi ng wi l l not be r equi r ed except wher e speci f i ed and as necessar y t o r emove sl ag and shar p edges of mechani cal l y gui ded or hand- gui ded cut s not exposed t o v i ew. Vi s i bl e or exposed hand- gui ded cut s must be chi pped, gr ound, or machi ned t o met al f r ee of voi ds, di scont i nui t i es, and f or ei gn mat er i al s.

2. 3. 3. 2 Al i gnment of Wet t ed Sur f aces

Exer ci se car e t o assur e t hat cor r ect al i gnment of wet t ed sur f aces bei ng j oi ned by a f l anged j oi nt i s bei ng obt ai ned. Wher e pl at es of t he wat er passage change t hi ckness, t r ansi t i on on t he out er sur f ace, l eavi ng i nner sur f ace pr oper l y al i gned. When wel di ng has been compl et ed and wel ds have been cl eaned, but pr i or t o st r ess r el i evi ng, car ef ul l y check j oi ni ng of pl at es i n t he pr esence of t he Gover nment i nspect or f or mi sal i gnment of adj oi ni ng par t s. Local i zed mi sal i gnment bet ween i nsi de or wet t ed sur f aces of an adj oi ni ng f l ange- connect ed sect i on of pump or f or med suct i on i nt ake cannot exceed t he amount shown i n Col umn 4 of Tabl e 1 f or t he r espect i ve r adi us or nor mal di st ance f r om t he t heor et i cal f l ow cent er l i ne. Cor r ect mi sal i gnment s gr eat er t han t he al l owabl e amount by gr i ndi ng away of f endi ng met al , pr ovi di ng t he maxi mum dept h t o whi ch met al i s t o be r emoved does not exceed amount shown i n Col umn 5 of Tabl e 1. Do not r emove met al unt i l assur i ng t he Cont r act i ng Of f i cer t hat no excessi ve st r esses wi l l occur i n t he r emai ni ng mat er i al and t hat excessi ve l ocal v i br at i on wi l l not r esul t f r om r emoval of t he mat er i al . Wher e r equi r ed cor r ect i on i s gr eat er t han t he amount i n Col umn 5 of Tabl e 1, r ej ect pi pe f or use. Pr oposed pr ocedur e f or al l cor r ect i ve wor k, ot her t han mi nor gr i ndi ng, must be appr oved by t he Cont r act i ng Of f i cer pr i or t o st ar t of cor r ect i ve wor k. Fi ni sh cor r ect i ve wor k by gr i ndi ng cor r ect ed sur f ace t o a smoot h t aper . Lengt h of t he t aper al ong each f l ow l i ne el ement must be 10 t i mes t he dept h of t he of f set er r or at t he f l ow l i ne. Wet t ed sur f ace i r r egul ar i t i es t hat mi ght have exi st ed i n an appr oved model cannot be r eason f or accept i ng compar abl e sur f ace i r r egul ar i t i es i n t he pr ot ot ype pump.


TABLE 1

(1) (2) (3) (4) (5)

Pi pe Di amet er( mm) ( i nches)

Pi pe Radi us orDi st ance ( mm)

(inches)

Pi pe Thi ckness( mm) ( i nches)

Maxi mum Of f set( mm) ( i nches)

Gr i nd- Not Mor eThan ( mm)(inches)

60024 30012 103/8 1.61/16 2.43/32

75030 37515 103/8 1.61/16 2.43/32

90036 45018 103/8 2.43/32 2.43/32

105042 52521 131/2 2.43/32 3.21/8

120048 60024 131/2 3.21/8 3.21/8

135054 67527 131/2 3.21/8 3.21/8

150060 75030 193/4 4.05/32 4.05/32

180072 90036 251 4.05/32 4.05/32

210084 105042 291-1/8 4.83/16 6.41/4

2. 3. 3. 3 St r ess- Rel i evi ng Pr ocedur e

Af t er al l f abr i cat i on wel di ng i s compl et ed, and pr i or t o any machi ni ng, st r ess- r el i eve t he bel l and t he i mpel l er ( i f i t i s f abr i cat ed) by heat t r eat ment . Submi t pr oposed st r ess- r el i evi ng pr ocedur e.

2. 3. 4 Exami nat i on of Cast i ngs

Cl ean and car ef ul l y exami ne al l cast i ngs f or sur f ace def ect s. Fur t her exami ne al l def ect s by nondest r uct i ve means. Exami nat i on per sonnel must be qual i f i ed/ cer t i f i ed i n accor dance wi t h appl i cabl e ASTM r equi r ement s. Submi t t he exami nat i on pr ocedur e and qual i f i cat i on of t he exami ner . Conduct exami nat i on t est s i n t he pr esence of t he Cont r act i ng Of f i cer . Choose t he exami nat i on pr ocedur e best sui t ed f or t he appl i cat i on.

2. 3. 4. 1 Exami nat i on Pr ocedur es

2. 3. 4. 1. 1 Ultrasonic

Conf or m i nspect i on t o t he appl i cabl e pr ovi s i ons of ASTM A609/ A609M.

2. 3. 4. 1. 2 Magnet i c Par t i c l e

Conf or m i nspect i on t o t he appl i cabl e pr ovi s i ons of ASTM E709.

2. 3. 4. 1. 3 Li qui d Penet r ant

Conf or m i nspect i on t o t he appl i cabl e pr ovi s i ons of ASTM E165/ E165M.

2. 3. 4. 2 Accept ance and Repai r Cr i t er i a

Accept ance and r epai r cr i t er i a must be i n accor dance wi t h Sect i on [ 05 50 13


MI SCELLANEOUS METAL FABRI CATI ONS] [ 05 50 14 STRUCTURAL METAL FABRI CATI ONS] .

2. 4 VERTI CAL PUMPS

2. 4. 1 Speed

**************************************************************************NOTE: Sel ect appr opr i at e al t er nat e par agr aph. Al t er nat e 1 i s used when cavi t at i on t est i ng i s par t of t he cont r act . Al t er nat e 2 i s used when t he pump wi l l not be t est ed t o det er mi ne t he cavi t at i on char act er i st i cs and t he desi gner has det er mi ned t he maxi mum speed t o be speci f i ed based on t he NPSHA. The f ol l owi ng cr i t er i a shoul d be used by t he desi gner i n det er mi ni ng t he maxi mum r ot at i ve speed:

( SS) x ( NPSHA) 3/4

Nss = - - - - - - - - - - - - - - - - - - - -

Q1/2

where:

Nss = pump r ot at i ve speed, i n r evol ut i ons per mi nut eSS = suct i on- speci f i c speedQ = f l ow, i n gal l ons per mi nut eNPSHA = net posi t i ve suct i on head avai l abl e

Maxi mum val ue of SS t o be used i n t he f or mul a:

SS = 8, 500

A mor e conser vat i ve val ue of suct i on speci f i c speed may be used when oper at i ng f or ext ended per i ods of t i me above or bel ow t he opt i mum ef f i c i ency poi nt .

**************************************************************************

[ Rot at i ve speed of pump must be no gr eat er t han [ _____] r / mi n r pm. Ver i f y t hat r ot at i ve speed of pump at whi ch t he NPSH i s pr oduced i s no l ess t han r equi r ed, as det er mi ned by cavi t at i on t est s speci f i ed i n par agr aph FACTORY TESTS ( Al t er nat e 2) . ][

Rot at i ve speed of pump must be no gr eat er t han [ _____] r / mi n r pm. ]

2. 4. 2 Rever se [ Rot at i on] [ Fl ow]

**************************************************************************NOTE: Sel ect appr opr i at e al t er nat e par agr aph: Rever se Rot at i on ( 1st al t er nat e) and Rever se Fl ow ( Al t er nat e 2) . 1st al t er nat e ( br acket ed par agr aph) i s used when t he pumpi ng uni t does not have a non- r ever se devi ce. 2nd al t er nat e ( br acket ed par agr aph) i s used when t he pumpi ng uni t i s equi pped wi t h a non- r ever se devi ce.

**************************************************************************

[ Each pump must wi t hst and, wi t h no damage, f ul l r ot at i ve speed caused by subj ect i ng t he pump t o r ever se f l ow. The head used t o det er mi ne t hi s r ever se r ot at i ve speed i s cal cul at ed f r om speci f i ed hi ghest di schar ge s i de wat er el evat i on and l owest pump i nt ake s i de wat er el evat i on. [ Each pump


and i t s connect ed el ect r i c mot or must be capabl e of f ul l r ever se r ot at i ve speed when act i ng as a t ur bi ne by r ever se wat er f l ow. Use t he hi ghest head speci f i ed i n par agr aph [ STATI C] [ POOL- TO- POOL] [ BOWL] HEAD t o det er mi ne t he r ever se speed. ] [ Fur ni sh dr i ve syst ems cont ai ni ng r educt i on gear s or engi nes wi t h a non- r ever se devi ce. ] ][

Pump must wi t hst and, wi t h no damage, t he f ul l f or ce exer t ed on i t , wi t h t he i mpel l er subj ect ed t o r ever se f l ow and t he upper end l ocked i n pl ace by a backst op. Cal cul at e t he head t o det er mi ne t he f or ce devel oped by t hi s r ever se f l ow f r om t he speci f i ed hi ghest di schar ge s i de wat er el evat i on and l owest pump i nt ake s i de wat er el evat i on. Rever se r ot at i ve speed must be [ 0. 0] [ _____] wi t h i nst ant aneous act i vat i on of t he backst op. ]

2. 4. 3 Efficiency

**************************************************************************NOTES: Sel ect appr opr i at e al t er nat e par agr aph.

Al l pump speci f i cat i ons shoul d r equi r e some mi ni mum ef f i c i ency at t he pr i mar y or nor mal oper at i ng desi gn poi nt . Thi s mi ni mum ef f i c i ency shoul d be based on t he pump sel ect i ons made dur i ng pump st at i on l ayout and desi gn.

Al t er nat e 1 i s used when pool - t o- pool head i s speci f i ed i n par agr aph PROJECT/ SI TE CONDI TI ONS, and t he pump manuf act ur er i s r equi r ed t o model t he di schar ge syst em ( Al t er nat e 2) . Al t er nat e 2 i s a measur e of pump ef f i c i ency as def i ned i n HI ANSI / HI 14. 6. The st at ed ef f i c i ency i s based on t he pump sel ect i on made dur i ng st at i on l ayout and desi gn.

**************************************************************************

[ Pool - t o- pool ef f i c i ency at head- capaci t y condi t i on( s) speci f i ed i n par agr aph CAPACI TI ES must not be l ess t han [ _____] per cent when cal cul at ed as f ol l ows:

Q x H Ef f i c i ency = - - - - - - - - - - x 100 366 x BKW

Wher e: Q = Di schar ge, cubi c met er / hour H = Pool - t o- pool t ot al head, met er s BKW = Pump br ake k i l owat t Q x H Ef f i c i ency = - - - - - - - - - - x 100 3960 x BHP

Wher e: Q = Di schar ge, gal l ons per mi nut e H = Tot al head, f eet BHP = Pump br ake hor sepower][ Pump ef f i c i ency, as def i ned i n HI ANSI / HI 14. 6, must i ncl ude l osses f r om

t he suct i on bel l t o t he di schar ge el bow out l et and must not be l ess t han [ _____] per cent at t he head- capaci t y condi t i on( s) speci f i ed i n par agr aph CAPACITIES. ]


2. 4. 4 Suct i on Bel l

**************************************************************************NOTE: The r ecommended mi ni mum t hi ckness of st eel pi pe t o be speci f i ed i s:

DI SCHARGE DI AMETER

mminchMI NI MUM THI CKNESS

mm i nch

Up t o and i ncl udi ng 750 30 103/8

Above 750 30 and up t o and i ncl udi ng 1200 48

131/2


165/8

I f a f or med suct i on i nl et ( FSI ) i s speci f i ed, t hi s par agr aph shoul d be del et ed.

**************************************************************************

Make each suct i on bel l of [ ei t her cast i r on, cast st eel , or wel ded st eel pl at e, ] [ s t ai nl ess st eel pl at e] . Pr ovi de a f l anged connect i on f or mat i ng wi t h t he i mpel l er bowl wi t h a r abbet f i t or f our equal l y spaced dowel s i nst al l ed i n t he ver t i cal posi t i on f or i ni t i al al i gnment pur poses and t o mai nt ai n concent r i c al i gnment of t he pump. [ St eel pl at e, i f used, ] [ St ai nl ess st eel pl at e] must have t hi ckness of not l ess t han [ _____] mm i nch. Each suct i on bel l must be [ made i n one pi ece] [ spl i t ver t i cal l y wi t h bol t ed f l anges j oi ni ng t he t wo pi eces t oget her . Mai nt ai n al i gnment by use of dowel s] . Suppor t each suct i on bel l ent i r el y by t he pump casi ng. Suppor t s f r om sump f l oor wi l l not be accept abl e, [ except t hose t hat ar e par t of a f or med suct i on i nt ake] . [ Suppor t umbr el l as, i f used, by t he suct i on bowl . Const r uct t he umbr el l a i n t wo pi eces i f a s i ngl e pi ece umbr el l a coul d not be r emoved usi ng t he pump openi ng i n t he oper at i ng f l oor . Pr ovi de bol t ed f l anges on each hal f of t he umbr el l a and pr ovi de f or and easi l y r emovabl e bol t ed connect i on t o t he suct i on bowl . Pr ovi de suf f i c i ent l i f t i ng l ugs on t he umbr el l a t o ai d i n handl i ng. ]

2. 4. 5 I mpel l er Bowl

**************************************************************************NOTE: The r ecommended mi ni mum t hi ckness of st eel pl at e t o be speci f i ed i s:

DI SCHARGE DI AMETERmminch

MI NI MUM THI CKNESSmminch



165/8


193/4

**************************************************************************

Make each i mpel l er bowl of [ ei t her cast i r on, cast st eel , wel ded st eel pl at e or a combi nat i on of cast st eel and st eel pl at e] [ st ai nl ess st eel


pl at e] [ cast st ai nl ess st eel ] . [ St eel pl at e, i f used, ] [ St ai nl ess st eel pl at e] must have t hi ckness of not l ess t han [ _____] mm i nch af t er machi ni ng i s compl et ed. Heat - t r eat and st r ess- r el i eve wel ds bef or e f i nal machi ni ng. Pr ovi de f l anges f or mat i ng wi t h t he [ suct i on bel l ] [ f or med suct i on i nt ake] and t he i mpel l er bowl or t wo- pi ece const r uct i on of t he i mpel l er . Pr ovi de f l anged connect i ons wi t h t he suct i on bel l and t he di f f user or spl i t const r uct i on wi t h a r abbet f i t or f our equal l y spaced dowel s i nst al l ed i n t he ver t i cal posi t i on f or i ni t i al al i gnment pur poses and t o mai nt ai n concent r i c al i gnment of t he pump. Machi ne f i ni sh t he i mpel l er - swept ar ea i n t he i mpel l er bowl t o at l east 3. 2 µm 125 mi cr oi nch r ms and concent r i c wi t h t he i mpel l er axi s. For mi xed- f l ow i mpel l er s, t he angl e i n t he i mpel l er bowl must equal t he out s i de angl e of t he i mpel l er bl ade t i ps. Tol er ance f or concent r i c i t y of t he i mpel l er wi t h t he i mpel l er axi s i s not gr eat er t han 20 per cent of t he oper at i ng c l ear ance bet ween t he i mpel l er and t he i mpel l er bowl .

2. 4. 6 Di f f user Bowl

**************************************************************************NOTE: Use t he same t hi ckness f or t he st eel pl at e as speci f i ed i n par agr aph I MPELLER BOWL.

**************************************************************************

Make each di f f user bowl of [ cast i r on, cast st eel , wel ded st eel pl at e, or a combi nat i on of cast st eel and st eel pl at e] [ st ai nl ess st eel pl at e] [ cast st ai nl ess st eel ] . [ St eel pl at e, i f used, ] [ St ai nl ess st eel pl at e] must have a t hi ckness of not l ess t han [ ______] mm i nch af t er machi ni ng i s compl et ed. The di f f user must cont ai n suppor t f or t he upper i mpel l er shaf t bear i ng and have vanes t o gui de t he pumped f l ow. Equi p t he di f f user bowl wi t h a bypass dr ai n, i f r equi r ed, t o out s i de of t he pump f r om t he di f f user cavi t y l ocat ed bet ween t he encl osi ng t ube connect i on and t he i mpel l er . Fur ni sh t hr ot t l e bushi ng l ocat ed i n t he cavi t y i mmedi at el y above t he i mpel l er . Desi gn bypass dr ai n and t hr ot t l e bushi ng t o r educe wat er pr essur e on t he l ower seal . I mpel l er back- wear r i ngs can al so be used t o r educe wat er pr essur e on t he l ower seal .

2. 4. 7 Pump Col umn and Di schar ge El bow

2. 4. 7. 1 Col umn and Di schar ge El bow

**************************************************************************NOTE: Use t he same t hi ckness f or t he st eel pl at e as speci f i ed i n par agr aph I MPELLER BOWL, above. For most pumps, space shoul d be pr ovi ded f or usi ng a l ong r adi us t ype el bow. Unl ess t he el bow i s made of cast mat er i al s, t he el bow wi l l be t he mi t er ed t ype. The r oundness t ol er ance shoul d be speci f i ed when t he f l exi bl e coupl i ng i s not par t of t he cont r act . Tur ni ng vanes shal l be used i n pumps havi ng an access door t o i nspect / r emove t r ash.

The f ol l owi ng t ol er ance shoul d be used f or speci f y i ng t he t ol er ance f or t he pl ai n end of t he elbow.


NOMI NAL PI PE SI ZEmminch

TOLERANCE ON ACTUAL O. D.mminch

Less t han or equal t o 400 16 Pl us/ mi nus 1. 5 0. 06


Pl us/ mi nus 2. 0 0. 08


Pl us/ mi nus 2. 5 0. 10

Gr eat er t han 1050 42 Pl us 3. 0 0. 12/ Mi nus 1. 5 0. 06

**************************************************************************

Make each col umn and di schar ge el bow of [ ei t her cast i r on, cast st eel , or wel ded st eel pl at e] [ st ai nl ess st eel pl at e] . [ St eel pl at e, i f used, ] [ St ai nl ess st eel pl at e] must have a t hi ckness of not l ess t han [ _____] mm i nch af t er machi ni ng i s compl et ed. Pr ovi de el bow of [ shor t r adi us t ype] [ l ong r adi us t ype] [ mi t er ed t ype] . [ Do not use t ur ni ng vanes. ] [ Space t ur ni ng vanes, i f used, at l east t wi ce t he space of c l ear space of t he t r ash r ack. ] I f t ur ni ng vanes made of wel ded st eel pl at e ar e used, pr ovi de an access door i n t he di schar ge el bow t o al l ow per sonnel t o i nspect t ur ni ng vanes and r emove t r ash i f necessar y. Desi gn col umn and di schar ge el bow t o wi t hst and i nt er nal pr essur es and ext er nal l oadi ngs associ at ed wi t h var i ous condi t i ons of pump oper at i on. Pr ovi de f l anges f or mat i ng i ndi v i dual segment s t oget her and f or mat i ng t he pump col umn t o t he di f f user bowl . Fl anges must have r abbet ed f i t s or f our equal l y spaced dowel s i nst al l ed i n f l anges f or i ni t i al al i gnment pur poses and t o mai nt ai n concent r i c al i gnment . Ter mi nat e t he el bow i n a pl ai n- end ci r cul ar sect i on. Di amet er t ol er ance of pl ai n end i s [ _____] mm i nch. Pr ovi de di amet er of di schar ge end of el bow as i ndi cat ed and al l ow st andar d di amet er f l exi bl e coupl i ngs t o be used. Use adj ust abl e t hr ust r ods and t hr ust l ugs t o t r ansf er t he l oad by br i dgi ng t he coupl i ng bet ween t he pump di schar ge el bow and di schar ge pi pi ng. Det er mi ne t he s i ze and number of t hr ust r ods needed f or t he expect ed l oadi ng. Use a mi ni mum of f our t hr ust r ods. Mai nt ai n compl et e access t o t he di schar ge pi pi ng unt i l t he di schar ge pi pe i nst al l at i on i s compl et e, i nspect ed, and appr oved.

2. 4. 7. 2 Col umn and Di schar ge El bow Suppor t

**************************************************************************NOTE: Sel ect appr opr i at e al t er nat e par agr aph. Pump Col umn and Di schar ge El bow ( 1st al t er nat e) i s used f or convent i onal pumps suppor t ed f r om t he basepl at e. Desi gn Pump Uni t ( 2nd al t er nat e) i s used f or l ar ge st at i ons havi ng pumps over 1800 mm 72 i nches i n di schar ge di amet er and suppor t ed f r om di f f er ent f l oor s.

**************************************************************************

[ Desi gn pump col umn and di schar ge el bow f or suspensi on f r om a basepl at e assembl y speci f i ed i n par agr aph BASE- PLATE AND SUPPORTS and l ocat ed at oper at i ng f l oor l evel . ]

[ Desi gn each pumpi ng uni t f or i nst al l at i on as i ndi cat ed. I nst al l t he basepl at e f or suppor t i ng t he [ el ect r i c mot or ] [ gear r educer ] at el evat i on of oper at i ng f l oor , EL [ _____] . Suppor t t he pump casi ng at i nt er medi at e


f l oor , EL [ _____] . Fur ni sh t he [ suppor t syst em] [ suppor t syst em consi st i ng of col umns ext endi ng f r om basepl at e t o i nt er medi at e f l oor ] . The suppor t syst em must t r ansf er t he ent i r e l oad on t he basepl at e t o t he i nt er medi at e f l oor . Desi gn t he suppor t syst em t o mai nt ai n pr oper al i gnment of t he pumpi ng uni t and pr opel l er bl ade set t i ng. I ncl ude t he suppor t syst em i n t he dynami c anal ysi s. ]

2. 4. 7. 3 Pumps Di schar ge Di amet er

**************************************************************************NOTE: A manhol e i s used i f t he pump has a shaf t encl osi ng cover t hat can be r emoved wi t hout di sassembl y of t he pump.

**************************************************************************

Pumps havi ng a di schar ge di amet er gr eat er t han 1500 mm 60 i nches must cont ai n a manhol e. Pr ovi de a st r uct ur al st eel br acket wi t h a pl at f or m of r ai sed- pat t er n f l oor pl at e s i mi l ar t o t he one( s) i ndi cat ed as a suppor t f or mai nt enance per sonnel f or access t o t he pump t hr ough a manhol e. Pr ovi de a manhol e 600 by 750 mm 24 by 30 i nches, or l ar gest pr act i cabl e s i ze wi t h a gasket ed cover , i n t he col umn above t he di f f user bowl . Pr ovi de j ack bol t s i n t he cover t oget her wi t h eye bol t s t o f aci l i t at e r emoval .

[ 2. 4. 7. 4 For med Suct i on I nt ake

**************************************************************************NOTE: Sel ect appr opr i at e al t er nat e par agr aph.

Al t er nat e 1 shoul d be used when a r ect angul ar sump i s desi gned usi ng cr i t er i a est abl i shed by U. S. Ar my Engi neer Resear ch and Devel opment Cent er ( ERDC) .

The use of a For med Suct i on I nt ake ( FSI ) ( Type 10) , Al t er nat e 2, i s det er mi ned dur i ng t he desi gn phase of t he st at i on/ pump. The Gover nment wi l l f ur ni sh al l di mensi ons and be r esponsi bl e f or t he desi gn. The FSI was devel oped by ERDC and i s now i ncl uded i n HI ANSI / HI 9. 8.

The sump f l oor el evat i ons shoul d be det er mi ned i n t he desi gn of t he pumps/ st at i on. The i mpel l er dat um el evat i on shoul d al l ow t he necessar y submer gence as det er mi ned by t he comput at i ons i n EM 1110- 2- 3105, and ver i f i ed wi t h pump manuf act ur er s ' dat a.

The Desi gner shoul d cont act at l east 3 pump manuf act ur er s ear l y i n t he pr oj ect desi gn phase t o ver i f y t he Desi gner ' s pump si ze est i mat e. Nor mal l y t he eye of t he i mpel l er i s l ocat ed at mi ni mum sump el evat i on, and t he geomet r y of t he FSI det er mi nes sump f l oor el evat i on. The ear l y ver i f i cat i on i s i mpor t ant f or t he pump house st r uct ur al desi gn FSI hydr aul i cs ar e ver y sensi t i ve t o change, and t he pump di amet er det er mi nes t he di mensi ons of t he FSI .

I n desi gns wher e t he FSI i s not const r uct ed of concr et e, i t i s r ecommended t hat al l mat er i al s i ndi cat ed, or combi nat i on of t hese mat er i al s, shoul d be speci f i ed. A hat ch i n t he oper at i ng f l oor i s


gener al l y pr ovi ded i n each pump bay t o per mi t t he pl acement of t he FSI sect i ons i nt o t he sump. I f t he st at i on desi gn/ s i ze does not have space f or a hat ch, t hen t he openi ng f or t he pump i s used f or pl acement and r emoval of t he FSI or i s desi gned so t hat i t can be r emoved usi ng t he sump gat es and t r ash r ack. The mi ni mum t hi ckness of f abr i cat ed mat er i al f or t he FSI shoul d be:

EXI T DI AMETER OF FSImminch

THICKNESSmminch



131/2


165/8


193/4

When a FSI i s used, par agr aphs SUCTI ON BELL and I MPELLER BOWL shoul d be changed t o coor di nat e wi t h t he FSI r equi r ement s.

The t hi ckness of t he r ubber gasket shal l be as follows:

FSI EXI T DI AMETERmminch

THICKNESSmminch



193/4

**************************************************************************

[ Sump has been desi gned usi ng i nf or mat i on obt ai ned by sump model t est i ng. Changes t o sump l ayout wi l l not be per mi t t ed. ]

[ For med Suct i on I nt ake ( FSI ) :

a. Pr ovi de t he FSI wat er passage wi t h t he pump, s i zed t o f i t wi t hi n t he l i mi t i ng el evat i ons and di mensi ons i ndi cat ed. Do not l ocat e bear i ng bel ow t he i mpel l er when an FSI i s used.

b. Di mensi ons of t he i nt ake el bow and coni cal t r ansi t i on sect i on of t he FSI ar e r el at i ve t o t he di amet er at t he t op of t he cone, as def i ned on t he dr awi ngs. The di amet er at t op of t he cone and r el at ed di mensi ons ar e det er mi ned t o accommodat e t he s i ze of pump, pr ovi di ng l i mi t i ng val ues f or di schar ge and submer gence ar e not exceeded, t he f l oor of t he FSI r emai ns at el evat i on [ _____] , and i mpel l er dat um i s set no hi gher t han el evat i on [ _____] . The r ect angul ar t r ansi t i on sect i on of t he FSI upst r eam of t he el bow can be modi f i ed i n l engt h t o mat ch t he wi dt h of t he i ndi v i dual pump bay or sump i nt ake. Any modi f i cat i on must be l i mi t ed t o sur f aces and di mensi ons i ndi cat ed, and must be appr oved.


c. Const r uct each FSI of [ f abr i cat ed st eel , ] [ cast i r on, ] [ cast st eel , ] [ or a combi nat i on of t hese mat er i al s embedded i n concr et e] [ f or med concr et e as i ndi cat ed] . St i f f ener s used must be on t he out s i de of t he FSI t o al l ow smoot h f l ows i n t he FSI . Si ze subassembl i es of t he FSI [ , unl ess const r uct ed of f or med concr et e, t o per mi t pl acement and r emoval t hr ough [ a hat ch i n oper at i ng f l oor ] [ t he pump openi ng i n t he oper at i ng f l oor ] [ t hr ough t he sump gat e and t r ash r ack] . Bol t s used t o connect f l anges must be st ai nl ess st eel wi t h br onze nut s. Mi ni mum t hi ckness of f abr i cat ed mat er i al must be [ 10] [ 13] [ 16] [ 19] mm [ 3/ 8] [ 1/ 2] [ 5/ 8] [ 3/ 4] i nch f or f abr i cat ed por t i ons. Pr ovi de gr out hol es i n f l oor of t he FSI t o per mi t f ul l gr out i ng. [ FSI s f or med i n concr et e must meet t he sur f ace r equi r ement s speci f i ed i n Sect i on [ 03 30 00 CAST- I N- PLACE CONCRETE] [ 03 30 00. 00 10 CAST- I N- PLACE CONCRETE] ] and conf or m t o t he const r uct i on t ol er ances gi ven i n TABLE 1. ] [ FSI s const r uct ed of i r on or st eel must conf or m t o t he const r uct i on t ol er ances gi ven i n Sect i on 05 50 14 STRUCTURAL METAL FABRI CATI ONS. ]

TABLE 1TOLERANCES FOR FORMED SURFACES

1. Var i at i ons f r om t he pl umb

a. I n t he l i nes and sur f aces of col umns, pi er s, wal l s and i n arises

I n any 3 m 10 f eet of length

6 mm 1/ 4 i nch

Maxi mum f or ent i r e length

25 mm 1 i nch

2. Var i at i on f r om t he l evel or f r om t he gr ades i ndi cat ed:

a. I n s l abs, cei l i ngs, and i n ar i ses, measur ed bef or e r emoval of suppor t i ng shor es

I n any 3 m 10 f eet of length

6 mm 1/ 4 i nch

I n any bay or i n any 9 m 20 f eet of l engt h

10 mm 3/ 8 i nch


20 mm 3/ 4 i nch

b. I n exposed sl ab, f l oor s and ot her conspi cuous l i nes

I n any bay or i n any 9 m 20 f eet of l engt h

6 mm 1/ 4 i nch


13 mm 1/ 2 i nch

3. a. Var i at i on of t he l i near bui l di ng l i nes f r om est abl i shed posi t i on i n pl an

I n any 9 m 20 f eet 13 mm 1/ 2 i nch

Maximum 25 mm 1 i nch

b. Var i at i on of cornered

6 mm 1/ 4 i nch


TABLE 1TOLERANCES FOR FORMED SURFACES

4. Var i at i on of di st ance bet ween wal l s partitions.

6 mm 1/ 4 i nch per 3 m 10 f eet of di st ance, but not mor e t han 13 mm 1/ 2 i nch i n any one bay, and not mor e t han 25 mm 1 i nch t ot al var i at i on

5. Var i at i on i n t he si zes and l ocat i ons of pump t hr oat s, f l oor openi ngs, and wal l openings

Minus 6 mm 1/ 4 i nch

Plus 13 mm 1/ 2 i nch

6. Var i at i on i n cross-sectional di mensi ons of pump t hr oat and i n t he t hi ckness of s l abs and walls

Minus 6 mm 1/ 4 i nch

Plus 13 mm 1/ 2 i nch

7. Footings:

a. Var i at i on of di mensi ons i n pl an

Mi nus when f or med 13 mm 1/ 2 i nch

Pl us when f or med 50 mm 2 i nches

or pl us 75 mm 3 i nches when pl aced agai nst unf or med excavat i ons

b. Mi spl acement of eccentricity

2 per cent of t he f oot i ng wi dt h i n t he di r ect i on of mi spl acement but not mor e t han 50 mm 2 i nches

c. Reduct i on i n t hi ckness of speci f i ed thicknesses

Minus 5 per cent

8. Var i at i on i n st eps:

a. I n a f l i ght of stairs

Riser 3 mm 1/ 8 i nch

Tread 6 mm 1/ 4 i nch

b. I n consecut i ve st eps Riser 2 mm 1/ 16 i nch

Tread 3 mm 1/ 8 i nch

d. FSI connect i on t o pump i mpel l er bowl f l ange must be desi gned by t he pump manuf act ur er and be r i gi d or f l exi bl e as i ndi cat ed by r esul t s of t he dynami c anal ysi s r equi r ed i n par agr aph DYNAMI C ANALYSI S. Submi t desi gn and dr awi ngs i ndi cat i ng mat er i al s of const r uct i on and met hod of assembl y of t he FSI f or appr oval . ]

] 2. 4. 7. 5 Flanges

**************************************************************************NOTE: The r ecommended mi ni mum f l ange t hi ckness t o be speci f i ed i s:


I NSI DE DI AMETER OF JOI NTmminch

THICKNESSmminch

Up t o and i ncl udi ng 600 24 321-1/4


381-1/2


502

**************************************************************************

Machi ne f l anges and dr i l l bol t hol es concent r i c wi t h pump shaf t ver t i cal cent er l i ne, havi ng a t ol er ance of pl us or mi nus one f our t h of t he c l ear ance bet ween t he bol t and bol t hol e. When f abr i cat ed f r om st eel pl at e, f l anges must not be l ess t han [ 25] [ 32] [ 38] [ 50] mm [ 1] [ 1- 1/ 4] [ 1- 1/ 2] [ 2] i nch t hi ck af t er machi ni ng. Fl ange t hi ckness af t er machi ni ng cannot var y mor e t han 10 per cent of gr eat est f l ange t hi ckness. Pr ovi de ext er nal st i f f ener s, i f needed. Const r uct f abr i cat ed f l anges, as a mi ni mum, t o t he di mensi ons of AWWA C207, Cl ass B. Desi gn f l anges on maj or component s of pump casi ng ( suct i on bel l , i mpel l er bowl , di f f user bowl , and col umn and el bow pi pi ng) such t hat bl i nd hol es necessi t at i ng use of cap scr ews or st ud bol t s ar e not used. Desi gn f l anges f or connect i on t o col umn pi pe by at l east t wo cont i nuous f i l l et wel ds. Connect t he i nsi de di amet er of t he f l ange t o pump col umn wi t h one wel d, and connect t he out s i de di amet er of t he pump col umn t o t he f l ange wi t h t he ot her wel d. Fi nal desi gn of wel ds r est s wi t h t he manuf act ur er , and speci f i ed wel ds ar e t he mi ni mum r equi r ement . Par al l el machi ne, when pr ovi ded on each end of t he same component , and mount par al l el t o a pl ane t hat i s nor mal t o pump shaf t cent er l i ne. Fl anges on each end of t he same component must have par al l el t ol er ance of 0. 051 mm 0. 002 i nch. Fi ni sh machi ne mat i ng sur f ace on f l ange t o 3. 2 µm 125 mi cr oi nch f i ni sh or bet t er . Pr ovi de f l anges wi t h a mi ni mum of t hr ee j acki ng bol t s t o ai d i n di sassembl y of t he pump.

2. 4. 7. 6 Fl anged Joi nt s

Desi gn f l anged j oi nt s t o be ai r - and wat er - t i ght , wi t hout t he use of pr ef or med gasket s, agai nst posi t i ve and negat i ve oper at i ng pr essur es t hat wi l l be exper i enced, except t hat per manent gasket i ng compound wi l l be per mi t t ed. Pr ovi de mat i ng f l anges, unl ess of t he mal e- f emal e r abbet t ype, wi t h not l ess t han f our t aper ed dowel s equal l y spaced ar ound each f l ange. I f r abbet ed f i t i s not used, t hen pr ovi de t he met hod used t o det er mi ne concent r i c i t y of connect ed pi eces.

2. 4. 7. 7 Nut s and Bol t s

Use 300 ser i es st ai nl ess st eel f or bol t s used i n assembl i ng t he pump and i t s suppor t i ng member s, i ncl udi ng anchor bol t s and dowel s. Use onl y br onze nut s and hexagonal bol t s and nut s. Al so use 300 ser i es st ai nl ess st eel washers.

2. 4. 7. 8 Gal vani c Pr ot ect i on


Al t er nat e 1 shoul d be used f or pumps havi ng


di schar ge di amet er s of 500 mm 20 i nches or l ess.

Al t er nat e 2 shoul d be used f or pumps havi ng a di schar ge di amet er gr eat er t han 500 mm 20 i nches. Thi s may al so be used f or pumps wi t h s i dechar ge di amet er s of 500 mm 20 i nches or l ess when manuf act ur er s ' i nf or mat i on i ndi cat es t hat t hi s met hod wi l l be t he l east expensi ve. The t ot al wei ght of anodes t o be used f or each pump i s:

DI SCHARGE DI AMETER mm i nch MI NI MUM NUMBEROF ANODES USED

TOTAL WEI GHTOF ANODES USED

kg l bs

Fr om 500 20 up t o and i ncl udi ng 900 36

2 1840

Above 900 36 up t o and i ncl udi ng 1200 48

4 3680

Above 1200 48 up t o and i ncl udi ng 2100 84

7 68150

**************************************************************************

[ When di ssi mi l ar met al s ar e used, el ect r i cal l y i sol at e di ssi mi l ar par t s. Ver i f y i sol at i on by checki ng j oi nt wi t h an ohmmet er . ][

When di ssi mi l ar met al s ar e used, use z i nc anodes. Pr ovi de machi ned mount i ng pads and i nst al l anodes on car bon st eel or cast i r on par t s. Fast en anodes t o bar e mat er i al on t he pump so t hat cont i nui t y i s obt ai ned bet ween t he anode and t he pump. Ver i f y cont i nui t y by checki ng t he j oi nt wi t h an ohmmet er . Locat e anodes on t he ext er i or of t he pump bel ow nor mal sump l evel . Tot al wei ght of anodes used per pump must be [ 18] [ 36] [ 68] kg [ 40] [ 80] [ 150] pounds. El ect r i cal l y bond pump j oi nt s at t he j oi nt s. ]

2. 4. 7. 9 Har nessed Coupl i ng

**************************************************************************NOTE: Thi s al t er nat i ve i s used when t he f l exi bl e coupl i ng i s t o be f ur ni shed by t he pump Cont r act or . The appl i cabl e connect i on shoul d be st at ed.

**************************************************************************

Pr ovi de a f l exi bl e mechani cal coupl i ng or spl i t - s l eeve t ype coupl i ng t hat ei t her conf or ms t o ASTM F1476, Type I I , Cl ass 3, st ai nl ess st eel ( as manuf act ur ed by Teekay or St r aub Coupl i ngs) , ASTM F1476, Type 1 ( as manuf act ur ed by Vi ct aul i c) , or Dr esser Coupl i ngs st y l e 38 or appr oved equal , t o connect t he pump di schar ge el bow t o t he [ t r ansi t i on sect i on] [ wal l t hi mbl e] [ di schar ge pi pi ng] . I nst al l a mi ni mum of f our har ness bol t s ( s i zed by t he pump manuf act ur er ) at each coupl i ng.

2. 4. 7. 10 Wal l Thi mbl e

**************************************************************************NOTE: Thi s al t er nat i ve i s used when t he di schar ge pi pi ng i ncl udes t he pi ece t hat wi l l be embedded i n t he wal l of t he st at i on. The si ze of vent t o be used i s det er mi ned f r om i nf or mat i on i n EM


1110-2-3105.**************************************************************************

Pr ovi de each wal l t hi mbl e wi t h one pl ai n end t o accommodat e t he f l exi bl e mechani cal coupl i ng and one f l anged end t o mat e wi t h t he [ f l ap gat e] [ mul t i pl e shut t er gat e] [ di schar ge pi pi ng] . The pl ai n end must mat ch t he pump di schar ge el bow i n t hi ckness and di amet er and dr i l l t he f l anged end t o mat ch, and be capabl e of suppor t i ng wi t hout di st or t i on, t he [ f l ap gat e] [ mul t i pl e shut t er gat e] . Pr ovi de t he seal r i ng on t he wal l t hi mbl e l ocat ed so t hat i t i s cent er ed i n t he wal l when embedded. I n addi t i on, f ur ni sh a [ _____] mm i nch f l anged vent nozzl e equi pped wi t h an ASME B16. 5 St andar d 125 pound f l ange and l ocat e wher e i ndi cat ed. Fabr i cat e t he wal l t hi mbl e f r om st eel pl at es.

2. 4. 7. 11 Di schar ge Pi pi ng

**************************************************************************NOTE: I ncl ude appl i cabl e di schar ge pi pe descr i pt i on.

**************************************************************************

[ Pr ovi de di schar ge pi pi ng consi st i ng of a t r ansi t i on sect i on and a wal l t hi mbl e. Pr ovi de a t r ansi t i on sect i on wi t h one pl ai n end and one f l anged end, and have a change i n cr oss sect i on f r om r ound t o [ squar e] [ r ect angul ar ] . On t he pl ai n end, mat ch t he pump di schar ge el bow i n t hi ckness and di amet er . Ar r ange t he wal l t hi mbl e f or embedment and wi t h t he f l anges on each end. Mat e one end wi t h t he f l ange on t he t r ansi t i on sect i on and mat e t he ot her end wi t h t he f l ap gat e. Fabr i cat e t he di schar ge f l ange wi t h a mi ni mum di mensi on of AWWA C207, Cl ass D, and dr i l l t o mat ch. The di schar ge f l ange must be capabl e of suppor t i ng wi t hout di st or t i on, t he mul t i pl e shut t er gat e. Pr ovi de a seal r i ng on t he wal l t hi mbl e and l ocat e i t so t hat i t i s cent er ed i n t he wal l when embedded. I n addi t i on, f ur ni sh a [ _____] mm i nch f l anged vent nozzl e equi pped wi t h an ASME B16. 5 St andar d 125 pound f l ange and l ocat e wher e i ndi cat ed. Fabr i cat e t he di schar ge pi pi ng f r om st eel pl at e. ][

I nst al l t he di schar ge pi pi ng as i ndi cat ed. Mat ch t he pl ai n end of each di schar ge pi pe wi t h t he pump di schar ge el bow i n t hi ckness and di amet er and be abl e t o al l ow a f l exi bl e mechani cal coupl i ng t o connect i t t o t he pump di schar ge el bow. [ Ter mi nat e t he di schar ge pi pi ng i n a f l anged end t o mat e wi t h a f l ap gat e. Dr i l l t he f l anged end t o mat ch, and be capabl e of suppor t i ng t he f l ap gat e wi t hout di st or t i on. ] [ Ter mi nat e t he di schar ge pi pi ng i n an open end. ] Pr ovi de t he di schar ge pi pe wi t h pi pe suppor t s or cr adl es as r ecommended by t he pump manuf act ur er . Locat e t he suppor t s bet ween t he f l ex i bl e coupl i ng and t he wal l , as i ndi cat ed. Pr ovi de sui t abl y- s i zed t hr ust r est r ai nt s at each f l exi bl e coupl i ng as i ndi cat ed. The suppor t s must pr ovi de suppor t f or t he wei ght of t he pi pe, t he wat er t hat wi l l pass t hr ough t he pi pe, and any dynami c f or ces t hat may devel op due t o wat er f l owi ng t hr ough t he pi pe. Fur ni sh a mi ni mum [ _____] mm i nch f l anged vent nozzl e equi pped wi t h an ASME B16. 5 st andar d 125 pound f l ange and l ocat e wher e i ndi cat ed. The di schar ge pi pe must be non- gal vani zed pi pi ng of wel ded or seaml ess pi pe or wel ded st eel pl at e. Use st eel pi pe conf or mi ng t o AWWA C200 wi t h di mensi onal r equi r ement s as gi ven i n ASME B36. 10M. Pr ovi de f i t t i ngs i n compl i ance wi t h AWWA C208. ]

[ 2. 4. 7. 12 Fl ap Gat e

Desi gn t he f l ap gat e f or pump di schar ge ser vi ce wi t h f l ange- f r ame wi t h a r esi l i ent seat of neopr ene or BUNA- N t o pr event c l osi ng shock. Make t he s i ze of t he f l ap gat e t he same as t he di schar ge pi pe s i ze. [ Use cast i r on


f or t he body of t he val ve and t he f l ap i n compl i ance wi t h ASTM A126. Use hi gh- t ensi l e br onze ASTM B584- CA 865 f or t he hi nge ar ms. Desi gn t he hi nge pi ns i n doubl e shear and of s i l i con br onze, ASTM B98/ B98M- CA 655. ] [ Fabr i cat e t he f l ap gat e ent i r el y of st ai nl ess st eel . Use onl y st ai nl ess st eel har dwar e. ] Pr ovi de l ubr i cat i on f i t t i ngs on t he hi nge ar ms. Ext end t he gr ease l i nes t o a conveni ent l ocat i on f or l ubr i cat i ng. Pr ovi de an ant i - l ocki ng bar t o pr event excessi ve r ot at i on about t he l ower hi nge pi n. Pr ovi de a st ai nl ess st eel l eaf spr i ng wi t h r ubber pad t o saf el y l i mi t t he t r avel of t he f l ap gat e dur i ng pumpi ng.

] 2. 4. 8 Impeller

**************************************************************************NOTE: Cast st eel and al umi num br onze ar e nor mal l y used when pumps ar e l ess t han 2100 mm 84 i nch. Fabr i cat ed st eel i mpel l er s ar e used wi t h pumps havi ng di schar ge di amet er s 2100 mm 84 i nch or gr eat er . Cast st ai nl ess st eel i s used f or pumps wher e t he di f f er ence bet ween pump NPSHA and NPSHR i s smal l ( l ess t han 600 mm 2 f eet ) or , when sever e cor r osi on i s expect ed.

**************************************************************************

Make t he i mpel l er of [ cast st eel , ] [ cast st ai nl ess st eel , ] [ al umi num br onze] or [ f abr i cat ed of wel ded st eel pl at e] .

2. 4. 8. 1 Removal and Pr i or To Fi ni shi ng

Af t er r emoval f r om mol d, and pr i or t o f i ni shi ng of sur f ace i mper f ect i ons, t he Cont r act i ng of f i cer wi l l i nspect cast i ngs. Fi l l and gr i nd mi nor sur f ace i mper f ect i ons as necessar y t o pr eser ve cor r ect cont our and out l i ne of i mpel l er and t o r est or e sur f ace i mper f ect i ons t o t he same degr ee of f i ni sh as sur r oundi ng sur f aces. Cor r ect sur f ace pi t s, depr essi ons, pr oj ect i ons, or over l aps showi ng gr eat er t han 2 mm 1/ 16 i nch var i at i on f r om t he gener al cont our f or t hat sect i on. Met hod and pr ocedur e f or accompl i shi ng r epai r must be as r equi r ed i n Sect i on [ 05 50 13 MI SCELLANEOUS METAL FABRI CATI ONS] [ 05 50 14 STRUCTURAL METAL FABRI CATI ONS] . Cast i ngs t hat exhi bi t sur f ace i mper f ect i ons ( as def i ned above) cover i ng an ar ea of mor e t han 10 per cent of bl ade sur f ace wi l l be r ej ect ed.

2. 4. 8. 2 Balance

**************************************************************************NOTE: The maxi mum oper at i ng speed i s used f or dr i ver / pumps whi ch oper at e at di f f er ent speeds. The r at ed oper at i ng speed i s used wi t h a s i ngl e speed dr i ver . The g- mm oz- i nch used i n t hi s par agr aph ar e det er mi ned f r om I SO 1940- 1 f or gr ade G6. 3. I mpel l er s f or pumps havi ng a di schar ge di amet er gr eat er t han 600 mm 24 i nch shal l have t he i mpel l er wei ght ed. The amount of al l owabl e unbal ance or t he l evel of bal ance i n t he accept abl e st andar ds must be chosen and i ncl uded i n t hi s gui de speci f i cat i on. Thi s i ncl udes choosi ng accept abl e st andar d( s) . A suggest ed st andar d i s bal ance qual i t y gr ade G6. 3 i n accor dance wi t h I SO 1940- 1.

**************************************************************************

Bal ance each i mpel l er by t he t wo- pl ane bal anci ng t echni que. Bal ance each


i mpel l er at [ maxi mum] [ r at ed] oper at i ng speed. Check t he bal ance at 110 per cent of bal ance speed, and make needed cor r ect i ons. Amount of al l owabl e unbal ance i s i n accor dance wi t h gr ade G6. 3 of I SO 1940- 1. Secur el y f ast en wei ght s needed t o obt ai n t he r equi r ed l evel of bal ance t o t he i nsi de cavi t y of t he i mpel l er hub. I n no case can por t i ons of t he i mpel l er be r emoved or wei ght s be added t o t he out s i de of t he hub, vanes, or wat er passages. Submi t bal anci ng pr ocedur e at l east f our weeks pr i or t o t he dat e of bal anci ng. Wei gh each f i ni shed i mpel l er and wei ght st amped on t he bot t om of t he hub wi t h wei ght accur at e t o 0. 5 per cent of t he t ot al wei ght of t he i mpel l er . Wei ghi ng and bal anci ng wi l l be wi t nessed by t he Cont r act i ng Of f i cer . Submi t al l i mpel l er wei ght s and t he r esul t s of i mpel l er bal anci ng.

2. 4. 9 Shafting

2. 4. 9. 1 Shaft

**************************************************************************NOTE: St ai nl ess st eel shaf t i ng shoul d be used when t he pot ent i al f or cor r osi on i s hi gh such as a pump used i n a st at i on wher e t he pump/ st at i on sump i s not capabl e of bei ng dewat er ed. The shaf t l engt hs ar e l i mi t ed i n l engt h by t he headr oom avai l abl e. Shaf t sect i ons ar e usual l y l ess t han 3000 mm 10 f eet i n l engt h. Ver t i cal adj ust ment of t he shaf t shoul d be per f or med above t he oper at i ng f l oor . The mot or and gear r educer ar e nor mal l y speci f i ed t o be hol l ow shaf t t ype t o al l ow t he pump shaf t t o pass concent r i cal l y t hr ough t he r educer and mot or al l owi ng f i ni t e i mpel l er el evat i on adj ust ment s.

**************************************************************************

Each i mpel l er shaf t must be st ai nl ess st eel and i nt er medi at e shaf t ( s) must be [ col d- r ol l ed car bon st eel ] [ same mat er i al as t he i mpel l er shaf t ] . Desi gn shaf t i ng so t hat [ shaf t sect i ons do not exceed [ _____] mm f eet i n l engt h and t hat ] any necessar y ver t i cal adj ust ment of t he i mpel l er can be made [ f r om t he oper at i ng r oom f l oor ] wi t hout i nt er f er i ng wi t h shaf t al i gnment . Al so pr ovi de f or r emoval of t he i mpel l er f r om bel ow wi t hout di sassembl y of t he pump above t he i mpel l er bowl . I f t he pump i s mul t i - st aged, desi gn t o per mi t t he l ower bowl s and i mpel l er t o be easi l y r emoved f or i n- pl ace i nspect i ons of upper pr opel l er and bowl . Desi gn shaf t s f or t wo di f f er ent desi gn cases. The f i r st uses a f act or of saf et y of 5 based on ul t i mat e t ensi l e st r engt h of t he shaf t mat er i al and r at ed wat t age hor sepower of t he [ mot or ] [ engi ne] . The second uses 75 per cent of t he y i el d st r engt h of t he shaf t mat er i al and [ t he l ocked r ot or t or que of t he mot or ] [ maxi mum wat t age hor sepower of t he engi ne] .

2. 4. 9. 2 Couplings

**************************************************************************NOTE: Ri gi d f l ange coupl i ngs shoul d be speci f i ed onl y f or pumps havi ng di schar ge di amet er s gr eat er t han 1800 mm 72 i nch. The r i gi d f l ange coupl i ng may be speci f i ed as an opt i on f or al l pumps l ess t han 1800 mm 72 i nch. Sl eeve t ype coupl i ngs shoul d be used f or pumps havi ng di schar ge di amet er s f r om 600 mm 24 i nch t o 2100 mm 84 i nch. Thr eaded shaf t coupl i ngs can be used f or pumps wi t h di schar ge di amet er s l ess t han 600 mm 24 i nch.

**************************************************************************


Coupl e t he pump and [ mot or ] [ gear r educer ] shaf t s[ and pump shaf t sect i ons] t oget her usi ng r i gi d f l anged coupl i ng capabl e of t r ansmi t t i ng t he f or ces and t or ques i nvol ved. Bol t coupl i ng hal ves t oget her and mai nt ai n concent r i c wi t h each ot her , by means of a r abbet f i t , t o wi t hi n 500 µm 0. 002 i nch. Ret ai n a shaf t coupl i ng nut , i f used, by f i t t ed bol t s, and compl y wi t h al l t ol er ances speci f i ed f or t he coupl i ng. Fi ni sh machi ne t he f l ange and bor e i n one set up t o i nsur e t hat t he f l ange of t he coupl i ng i s t r ue t o t he bor e. Each f l ange must be per pendi cul ar t o t he bor e, and par al l el t o t he opposi t e end and mat i ng f l anges t o wi t hi n 500 µm 0. 002 i nch. Each f l ange must be concent r i c t o t he cent er l i ne of t he shaf t t o wi t hi n 0. 50 mm 0. 002 i nch. [ Joi n t oget her pump shaf t sect i ons wi t h [ s l eeve- t ype coupl i ngs capabl e of t aki ng r ot at i on i n ei t her di r ect i on. Thr eads, except on f ast ener s, cannot be empl oyed i n const r uct i on of s l eeve- t ype coupl i ngs] [ t hr eaded coupl i ngs i n whi ch t he t hr eaded shaf t ends ar e t hr eaded i nt o t he coupl i ng] . ] Const r uct coupl i ngs, i ncl udi ng keys and f ast ener s, of st ai nl ess st eel mat er i al s. Al l keys and keyseat s ( keyways) must meet t he r equi r ement s of ASME B17. 1. The f i ni shed shaf t assembl y must be concent r i c about t he shaf t cent er l i ne t o wi t hi n 100 µm 0. 004 i nch. Shop assembl e coupl i ngs and t he pump shaf t , and i nspect f or compl i ance wi t h cont r act r equi r ement s. Af t er i nspect i on, mat chmar k par t s, i ncl udi ng f i t t ed bol t s, t o t hei r mat i ng pi eces.

2. 4. 9. 3 Journals

**************************************************************************NOTE: Sel ect t he appr opr i at e al t er nat e par agr aph. The f i r st al t er nat e i s used when pl ai n st eel shaf t i ng i s used f or t he i nt er medi at e shaf t i ng. The second al t er nat e i s used when al l t he shaf t i ng i s st ai nl ess st eel .

**************************************************************************

[ Pr ovi de r epl aceabl e st ai nl ess st eel one- pi ece j our nal s l eeves at each gui de bear i ng, packi ng gl and and seal l ocat i ons. Fi ni sh s l eeves at al l bear i ngs and packi ng gl and l ocat i ons t o at l east 32 r ms and f i ni sh s l eeves at seal l ocat i ons t o 16 r ms. Secur el y f ast en s l eeves t o t he shaf t t o pr event movement . Make keys and f ast ener s, i f used, f r om cor r osi on r esi st i ng st eel ; f ast eni ng by adhesi ve or wel di ng i s not accept abl e. Al l keys and keyseat s ( keyways) must meet t he r equi r ement s of ASME B17. 1. The sur f ace har dness of t he s l eeves at t he bear i ng and packi ng gl and l ocat i ons must be as r ecommended by t he pump manuf act ur er .

][ Fi ni sh t he shaf t j our nal at al l gui de bear i ng and packi ng gl and l ocat i ons t o at l east 32 r ms and f i ni sh t he shaf t at seal j our nal l ocat i ons t o 16 r ms. The opt i on exi st s t o i nst al l r epl aceabl e st ai nl ess st eel one- pi ece s l eeves at each bear i ng, packi ng gl and, and seal l ocat i ons wi t h t he f i ni shes st at ed above. Secur el y f ast en s l eeves t o t he shaf t t o pr event movement . Make keys and f ast ener s, i f used, f r om cor r osi on r esi st i ng st eel ; f ast eni ng by adhesi ve or wel di ng i s not accept abl e. Al l keys and keyseat s ( keyways) must meet t he r equi r ement s of ASME B17. 1. The sur f ace har dness at t he seal l ocat i ons must be as r ecommended by t he seal manufacturer.

] 2. 4. 9. 4 Ci r cumf er ent i al Li ne

**************************************************************************NOTE: The ci r cumf er ent i al l i ne wi t h poi nt er shoul d be used f or pumps havi ng 1200 mm 48 i nch and gr eat er


di schar ge di amet er s. The f ol l owi ng i nf or mat i on wi l l be used f or det er mi ni ng whet her t he pump dr i ver i s speci f i ed as usi ng a hol l ow or sol i d shaf t .

Pump dr i ver s wi t h r at i ng l ess t han 745 kW 1000 hor sepower ar e equi pped wi t h hol l ow shaf t s per mi t t i ng ver t i cal shaf t adj ust ment f r om t he t op of t he dr i ver .

Pumps dr i ver s over 745 kW 1000 hor sepower ar e equi pped wi t h hol l ow shaf t s whenever possi bl e but as a mi ni mum t he pump wi l l have a means of ver t i cal adj ust ment above t he oper at i ng f l oor .

**************************************************************************

I nscr i be or et ch a c i r cumf er ent i al l i ne on t he shaf t above t he st uf f i ng box and mount an adj ust abl e poi nt er opposi t e t hi s l i ne i n or der t o i ndi cat e a change i n ver t i cal posi t i on of shaf t and t o per mi t r eal i gnment af t er [ mot or ] [ gear r educer ] r emoval .

2. 4. 10 Shaf t Encl osur e

**************************************************************************NOTE: Shaf t encl osur e t ubes ar e t ensi oned f or pumps wi t h di schar ge di amet er s l ess t han 1350 mm 54 i nch. Ri gi d encl osi ng t ubes ar e used on pumps havi ng di schar ge di amet er s 1350 mm 54 i nch and gr eat er . Ext er nal suppor t s or br aci ng l ocat ed i n t he pump wat er passage ar e used f or pumps wi t h t ensi oned encl osi ng t ube of 6000 mm 20 f t i n l engt h or gr eat er . Sel f - suppor t ed encl osi ng t ubes 4500 mm 15 f eet l engt h or gr eat er shoul d have ext er nal suppor t s. The encl osi ng t ube i s spl i t when pump si ze i s 1800 mm 72 i nch or l ar ger . Sel ect appr opr i at e br acket ed st at ement s based on t he t ype of pump l ubr i cat i on bei ng cal l ed f or .

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Pr ovi de a shaf t encl osur e t o cover t he i nt er medi at e shaf t and coupl i ng. I t [ must be pl aced i n t ensi on or ] must be r i gi d enough t o be sel f - suppor t i ng. [ Do not use ext er nal suppor t s or br aci ng l ocat ed i n t he pump wat er passage f or suppor t of t he encl osi ng t ube unl ess necessar y t o suppor t i nt er medi at e bear i ngs or i ndi cat ed t o be necessar y or advant ageous by t he dynami c anal ysi s r equi r ed i n par agr aph DYNAMI C ANALYSI S. Consi der t he ef f ect of ext er nal suppor t s, i ncl udi ng r ubber i nser t s, i n t he dynami c anal ysi s r equi r ed i n par agr aph TEST, I NSPECTI ONS, AND VERI FI CATI ONS, subpar agr aph DYNAMI C ANALYSI S. ] Desi gn each encl osur e [ t o be wat er t i ght and] f or easy assembl y and di sassembl y i n t he f i el d. [ Spl i t each encl osur e l ongi t udi nal l y t o per mi t easy r emoval wi t hout r emovi ng or di sassembl i ng t he pump shaf t . ] [ Per f or at e each encl osur e t ube suf f i c i ent l y t o al l ow a f r ee f l ow of pump di schar ge wat er ( i . e. , pr oduct wat er ) t o l ubr i cat e t he shaf t bear i ngs. ] Const r uct encl osi ng t ubes, const r uct ed wi t h scr ew t ype j oi nt s and usi ng t ensi on i n t he t ube t o hol d al i gnment , t o pr ohi bi t t he t ensi on t ube f r om unscr ewi ng when t he packi ng gl and adj ust ment s ar e made. [ Pr ovi de a shaf t encl osur e f or gr ease- l ubr i cat ed pumps wi t h a dr ai n havi ng a shut - of f val ve l ocat ed out s i de of t he pump t o per mi t dr ai ni ng t he encl osur e bet ween oper at i on per i ods. Locat e t he dr ai n at t he bot t om of t he shaf t encl osur e. ] [ On oi l - l ubr i cat ed pumps, f i t t he encl osi ng t ube bel ow t he l owest bear i ng and above t he oi l seal s wi t h an oi l / wat er dr ai n l i ne t o t he


out si de of t he pump. The dr ai n l i ne must have a check val ve out s i de of t he pump t o pr ecl ude t he ent r ance of sump wat er . ]

2. 4. 11 Gui de Bear i ngs and Seal s

**************************************************************************NOTE: Gr ease l ubr i cat i on can be used wi t h al l s i ze pumps. Oi l l ubr i cat i on may be used i n pumps havi ng di schar ge di amet er s of 900 mm 36 i nch or smal l er . Sel ect appr opr i at e br acket ed st at ement s based on t he t ype of pump l ubr i cat i on bei ng cal l ed f or . The f i r st wat er - l ubr i cat ed bear i ng al t er nat i ve i s f or pr oduct l ubr i cat ed bear i ngs. The second wat er - l ubr i cat ed al t er nat i ve i f f or ext er nal l y- pr ovi ded wat er .

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2. 4. 11. 1 Gui de Bear i ngs

[ Pr ovi de each pump wi t h s l eeve- t ype bear i ngs desi gned f or [ gr ease] [ oi l ] l ubr i cat i on. Each bear i ng must have a br onze l i ni ng i n cont act wi t h shaf t j our nal and must be r epl aceabl e t ype. Ar r ange t he bear i ng l i ner f or maxi mum di st r i but i on of [ gr ease] [ oi l ] f or l ubr i cat i on of j our nal sur f ace. Bear i ngs must have a sur f ace f i ni sh of 0. 80 µm 32 mi cr oi nches r ms or bet t er t o mat ch t he j our nal f i ni sh. Si nce pumped wat er may cont ai n some f i ne sand and si l t i n suspensi on, gi ve speci al at t ent i on t o t he desi gn and sel ect i on of bear i ng par t s, especi al l y seal r i ngs, t o pr ecl ude ent r ance of f or ei gn mat er i al bet ween t he bear i ng and j our nal due t o di f f er ent i al wat er pr essur e.

][ Pr ovi de el ast omer i c pol ymer al l oy bear i ngs, seal ed i n t he shaf t encl osur e. Use Thor don SXL or TENMAT T12, or appr oved equal bear i ngs. Suppor t t he bear i ngs i n t hr eaded br onze sl eeves act i ng as an encl osi ng t ube. Ensur e t he bear i ngs ar e submer ged i n wat er when t he pump i s i n oper at i on. Accompl i sh l ubr i cat i on by pump di schar ge wat er ( pr oduct wat er ) f r ee- f l owi ng t hr ough per f or at i ons i n t he shaf t encl osur e t ube.

][ Pr ovi de each pump wi t h bear i ngs t hat ar e gr ooved and cont i nuous. Machi ne t he bear i ngs t o mar i ne c l ear ances f or st r ai ned canal wat er l ubr i cat i on and of suf f i c i ent l engt h and di amet er t o keep bear i ng pr essur e t o t he al l owabl e desi gn. Sel ect bear i ng t hi cknesses and mar i ne c l ear ances t o al l ow f or mat er i al swel l f r om wat er submer gence. The pump manuf act ur er may l ocat e t he shaf t bear i ngs as t he manuf act ur er ' s desi gn di ct at es wi t h t he f ol l owi ng except i ons. Fur ni sh no f ewer t han t hr ee bear i ngs i n t he pump wi t h a maxi mum bear i ng spaci ng of 1. 5 m 5 f eet . Locat e bear i ngs at t he t op of t he di f f user sect i on, above t he i mpel l er , and near t he basepl at e. Bear i ngs i n t he r i ght angl e gear , ot her t han t he t hr ust bear i ng, ar e not accept abl e f or use as pump shaf t suppor t . Suppor t t he l i ne shaf t bear i ng by t he di f f user i nner cone f abr i cat ed assembl y. Use Thor don SXL or TENMAT T12, or appr oved equal pump i mpel l er bear i ngs, and si ze t o accommodat e f or ces f r om t he pump i mpel l er . Secur e t ubi ng f or bear i ng l ubr i cat i on wat er t o and r out ed on t he out s i de of t he casi ng f or each bear i ng. The t ubi ng must be cont i nuousl y wel ded t o a di f f user vane or bear i ng suppor t t o cr oss f r om t he out s i de of t he casi ng t o t he bear i ng mount i ng assembl y.

Bear i ngs must be easi l y r emovabl e f or ser vi c i ng i n t he f i el d.

] 2. 4. 11. 2 [ Oi l ] [ Gr ease] Lubr i cat i on Shaf t Seal s

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NOTE: Sel ect appr opr i at e al t er nat e par agr aph.**************************************************************************

[ Pumps desi gned f or oi l l ubr i cat i on must have a shaf t seal syst em l ocat ed bel ow t he upper pump shaf t bear i ng. The seal syst em consi st s of a seal cont ai ni ng t wo l i p el ement s. The el ement f aci ng t he bear i ng must have a st ai nl ess st eel gar t er spr i ng back- up and be const r uct ed of TFE ( Tef l on) . The secondar y el ement f aces t he i mpel l er and i s const r uct ed of TFE. Use a bul l et - shaped assembl y t ool or ot her speci al t ool over t he end of t he shaf t or gr ooves i n t he shaf t t o pr ecl ude damage t o t he l i p el ement dur i ng assembl y. Assembl y t ool s used ar e consi der ed a speci al t ool and must be f ur ni shed t o t he Gover nment as par t of speci al t ool s speci f i ed i n par agr aph SPECI AL TOOLS. Pumps havi ng t wo st ages must have seal s t o pr ot ect t he ext r a bear i ngs r equi r ed by t wo st ages of const r uct i on.

][ Pumps desi gned f or gr ease l ubr i cat i on must have a shaf t seal consi st i ng of l i p seal s. The seal syst em consi st s of a l i p- t ype seal l ocat ed on each end of t he bear i ng. Each seal must cont ai n a l i p el ement havi ng a st ai nl ess st eel gar t er spr i ng back- up and be const r uct ed of TFE ( Tef l on) . Face t he l i p el ement out , away f r om t he bear i ng t o keep wat er f r om i nt r udi ng i nt o t he bear i ng chamber . The l owest bear i ng must have an addi t i onal gr ease seat wi t h t he l i p f aci ng away f r om t he bear i ng. Use a bul l et - shaped assembl y t ool or ot her speci al t ool s over t he end of t he shaf t and shaf t gr ooves t o pr ecl ude damage t o t he l i p el ement dur i ng assembl y. The assembl y t ool used i s consi der ed a speci al t ool and must be f ur ni shed t o t he Gover nment as par t of speci al t ool s speci f i ed i n par agr aph SPECI AL TOOLS.

] 2. 4. 12 Bear i ng Heat Sensor s

**************************************************************************NOTE: Bear i ng heat sensor s may be used i n pumps havi ng a di schar ge di amet er l ar ger t han 600 mm 24 i nches. Pumps wi t h l ar ge di schar ge di amet er s shoul d be f ur ni shed wi t h heat sensor s f or t he i mpel l er bear i ngs onl y, when t he est i mat ed annual oper at i on i s l ess t han 100 hour s per pump. Pumps wi t h gr eat er oper at i ng hour s per year may be equi pped wi t h bear i ng heat sensor s f or al l bear i ngs i n t he pump. Schedul e 80 guar d pi pes shal l be used when t he unsuppor t ed l engt h i s 450 mm 18 i nches or l ess. Schedul e 120 shoul d be used f or gr eat er unsuppor t ed lengths.

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Fi t [ t he i mpel l er shaf t bear i ngs] [ each bear i ng] wi t h t emper at ur e- sensi ng el ement s, i nser t ed i n t he bear i ngs t o wi t hi n 3 mm 1/ 8 i nch of shaf t . Pr ovi de t hese t emper at ur e- sensi ng el ement s wi t h t emper at ur e r eadout s mount ed [ on t he [ engi ne] [ mot or ] i nst r ument boar d] [ at a cent r al l ocat i on as shown] . Pr ovi de a v i sual and audi bl e al ar m syst em t o war n of bear i ng over heat i ng. Pr ovi de t emper at ur e i ndi cat or wi t h dual out put s t hat have set poi nt s t hat ar e separ at el y adj ust abl e. Suppor t l eads and pr ot ect t hem f r om wat er and mechani cal damage. Ter mi nat e t he l eads out s i de of t he pump casi ng i n a wat er pr oof connect i on head, Mi nco CH 339 or equal , and cap unt i l f i nal connect i ons ar e made i n t he f i el d. The connect i on head must be r at ed wat er t i ght t o 175 kPa 25 psi . Lead pr ot ect i on consi st s of pi pes f ast ened t o t he pump wi t h br acket s usi ng bol t s and nut s t o per mi t t hei r r emoval , and const r uct ed wi t h enough uni ons t o be compl et el y di sassembl ed. Leads passi ng t hr ough t he pump wat er passage i n t he pump must ei t her be


cont ai ned i n a gui de vane or be pr ot ect ed by [ Schedul e 80] [ Schedul e 120] pi pe. Make pr ot ect i on pi pe r emovabl e i f connect ed t o t he shaf t - encl osi ng t ube. I nst al l bear i ng heat sensor s as [ shown i n Fi gur e 2 at end of t he sect i on] [ i ndi cat ed] . Run l eads and wi r i ng t o a j unct i on box l ocat ed on t he basepl at e. Pr ovi de a t er mi nal st r i p i n t he j unct i on box f or connect i on of wi r i ng t o t emper at ur e r eadout s.

2. 4. 13 Thr ust Bear i ng

Pr ovi de a t hr ust bear i ng i n t he [ speed r educt i on gear ] [ mot or ] t o car r y t ot al t hr ust l oad[ as speci f i ed i n [ _____] ] .

2. 4. 14 Packi ng Gl and

Pr ovi de [ gr ease- ] [ wat er - ] l ubr i cat ed packi ng gl and spl i t l ongi t udi nal l y t o f aci l i t at e r emoval or r enewal . Ar r ange i t t o per mi t i nspect i on, r epai r , r emoval , or r epl acement of packi ng wi t hout ent er i ng pump f r om bel ow oper at i ng r oom f l oor . Pr ovi de eye bol t s and t apped hol es i n each hal f of t he spl i t gl and i f hal ves wei gh over 14 kg 30 pounds each.

[ 2. 4. 15 Si phon Br eaker Val ve

Pr ovi de a s i phon br eaker val ve assembl y f or each of t he ver t i cal ax i al - f l ow pumps. Pr ovi de [ mechani cal , sel f - act uat i ng] [ el ect r i cal l y- oper at ed] val ves. I nst al l each assembl y at t he t op ( summi t ) of t he di schar ge pi pe and must vent ai r f r om t he di schar ge pi pe when t he pump i s st ar t ed. The assembl y must al so per mi t ai r t o ent er t he di schar ge pi pe t hr ough t he s i phon br eaker val ve t o pr event r ever se s i phoni ng of wat er when t he pump i s st opped. Si ze t he val ves based on t he pumpi ng condi t i ons ( f l ow, head, di schar ge pi pe di amet er , et c. ) of t he speci f i c syst em. I f a mechani cal l y- act uat ed val ve i s chosen, s i ze t he val ve t o al l ow ai r t o r el i eve at a maxi mum of 90 m per second 300 f eet per second. Pr ovi de a means t o oper at e t he val ve manual l y t o st op back- s i phoni ng t hr ough t he pump i n case t he nor mal oper at or of t he s i phon br eaker val ve shoul d f ai l .

] 2. 5 LUBRI CATI ON SYSTEM

**************************************************************************NOTE: Sel ect appr opr i at e al t er nat e par agr aph. Oi l l ubr i cat i on may be used f or pumps wi t h di schar ge di amet er s up t o and i ncl udi ng 900 mm 36 i nch. Gr ease l ubr i cat i on may be used f or al l s i ze pumps. The cent r al i zed pr essur e l ubr i cat i on syst em wi l l be used when gr ease l ubr i cat i on i s sel ect ed. Sel ect t he wat er - l ubr i cat ed bear i ngs br acket ed i nf or mat i on i f t hi s t ype of l ubr i cat i on i s bei ng used.

**************************************************************************

[ Oi l l ubr i cat i on of shaf t bear i ngs consi st s of i nt r oduci ng oi l at t he t op l i ne shaf t bear i ng and al l owi ng oi l t o r un down t he shaf t f or t he l ubr i cat i on of t he l ower bear i ngs. Oi l l ubr i cat i on consi st s of an oi l r eser voi r mount ed on t he pump basepl at e or pump dr i ver at such hei ght t o per mi t gr avi t y f l ow of oi l t o t he hi ghest l ubr i cat i on poi nt of t he pump shaf t . Const r uct t he r eser voi r of t r anspar ent mat er i al t o per mi t obser vat i on of t he quant i t y of oi l i n t he r eser voi r . The oi l r eser voi r must have a mi ni mum capaci t y of 1 L 1 quar t . The r eser voi r must have a sol enoi d val ve t o per mi t oi l f l ow whenever t he pump dr i ver i s i n oper at i on. The f l ow r at e f r om t he oi l r eser voi r must be adj ust abl e f r om f i ve dr i ps per mi nut e t o const ant f l ow. The r eser voi r val ve must per mi t


manual f l ow of oi l when t he pump dr i ver i s not oper at i ng f or pr el ubr i cat i on of t he shaf t bear i ng. Const r uct t he oi l l i ne f r om t he oi l r eser voi r t o t he pump l i ne shaf t of st ai nl ess st eel t ubi ng and suppor t at suf f i c i ent l ocat i ons t o pr ecl ude vi br at i on of t ubi ng when t he pump i s oper at i ng. I f t he pump has a bear i ng l ocat ed bel ow t he i mpel l er , t hi s bear i ng must be gr ease- l ubr i cat ed. Pr ovi de a gr ease l i ne wi t h a gr ease f i t t i ng f r om t hi s bear i ng t o a l ocat i on on t op of t he basepl at e. Pr ovi de a gr ease r eser voi r wi t h t hi s bear i ng conf i gur at i on f or cont ai ni ng ext r a gr ease. Lubr i cat e shaf t packi ng by gr ease. Run t he gr ease l i nes t o a l ocat i on out s i de of t he dr i ver pedest al and pr ovi de wi t h a f i t t i ng f or manual l ubr i cat i on.

][ Suppor t gr ease l i nes t o each bear i ng and pr ot ect t hem f r om wat er and mechani cal damage. Gr ease l i ne pr ot ect i on consi st s of channel s f ast ened t o t he pump wi t h br acket s, usi ng bol t s and nut s t o per mi t r emoval . Gr ease l i nes passi ng t hr ough t he pump wat er passage must ei t her be cont ai ned i n a gui de vane or be pr ot ect ed by Schedul e [ 80] [ 120] pi pe. Thi s pr ot ect i on pi pe must be r emovabl e i f connect ed t o t he shaf t - encl osi ng t ube. Pr ef i l l gr ease l i nes bef or e connect i on t o bear i ngs. Ter mi nat e gr ease l i nes above basepl at e f or connect i on t o t he l ubr i cat i ng gr ease pump.

][ Pr ovi de l ubr i cat i on f or t he bear i ngs f r om t he wat er bei ng pumped ( i . e. , pr oduct wat er ) by means of per f or at i ons i n t he shaf t encl osur e. Desi gn t he per f or at i ons such t hat t he shaf t t ube i s const ant l y f i l l ed wi t h wat er dur i ng pump oper at i on, t her eby cont i nual l y cover i ng t he cont act sur f aces of t he bear i ngs. I f upper bear i ngs wi l l not r ecei ve suf f i c i ent pumped wat er f or l ubr i cat i on, use anot her means t o pr ovi de suf f i c i ent wat er t o t hese bear i ngs usi ng ei t her pr oduct wat er or wat er f r om t he i nt ake canal . Pr ovi de a means t o i ndi cat e v i sual l y t hat t he upper bear i ng( s) and packi ng gl and ar e obt ai ni ng suf f i c i ent l ubr i cat i on wat er .

2. 5. 1 Suppl ement al Lubr i cat i on Wat er

I f i t i s det er mi ned t hat t he pumped pr oduct wat er cannot be l i f t ed suf f i c i ent l y t o l ubr i cat e t he upper bear i ng( s) , i t i s t he pump manuf act ur er ' s r esponsi bi l i t y t o desi gn and pr ovi de a compl et e wat er l ubr i cat i on syst em. Pr ovi de a separ at e wat er l ubr i cat i on syst em f or each pump. The wat er cannot come f r om t he pot abl e/ wel l wat er syst em. Thi s wat er l ubr i cat i on syst em must i nc l ude a means f or pr ovi di ng suf f i c i ent l ubr i cat i on wat er t o t he upper bear i ng( s) . The suppl ement al l ubr i cat i on wat er syst em must i ncl ude an al ar m and shut down i n case of l ow- or no- f l ow t o t he upper bear i ng( s) , al ong wi t h el ect r i cal i nput t o t he [ engi ne] [ mot or ] cont r ol panel and SCADA/ PLC syst ems as needed. Pr ovi de any necessar y f i l t er i ng, f l ow swi t ches, t i me del ays, t o ensur e t hat t he upper bear i ngs ar e sat i sf act or i l y l ubr i cat ed. Coor di nat e any addi t i onal el ect r i cal power and cont r ol s r equi r ement s wi t h Sect i on 26 20 00 I NTERI OR DI STRI BUTI ON SYSTEM and ot her el ect r i cal sect i ons. The suppl ement al l ubr i cat i on wat er syst em must be f ul l y mai nt ai nabl e. I f t he suppl ement al l ubr i cat i on wat er syst em i s needed, pr ovi de shop dr awi ngs, oper at i ons and mai nt enance dat a, and as- bui l t dr awi ngs as r equi r ed.

][ 2. 5. 2 Cent r al i zed Pr essur e Lubr i cat i on Syst em

[ 2. 5. 2. 1 General

Pr ovi de each pump wi t h i t s own i ndi v i dual el ect r i c mot or - dr i ven cent r al i zed pr essur e l ubr i cat i on syst em, desi gned t o del i ver t he pr oper pr edet er mi ned or met er ed quant i t y of l ubr i cant t o each i ndi v i dual bear i ng and st uf f i ng box. Posi t i vel y i ndi cat e pr oper or i mpr oper f unct i oni ng of any i ndi v i dual


met er i ng devi ce. Mount t he pr essur e pump, i ndi v i dual met er i ng devi ces, and any r equi r ed auxi l i ar y oper at i ng accessor i es on t he basepl at e. Fur ni sh t he syst em compl et e and r eady f or oper at i on, i ncl udi ng suf f i c i ent l ubr i cant t o f i l l each pr essur e pump l ubr i cant r eser voi r . Submi t t he compl et e cent r al i zed pr essur e l ubr i cat i on syst em f or r evi ew and appr oval . Fur ni sh t he l ubr i cant r ecommended by t he pump manuf act ur er , subj ect t o appr oval of Cont r act i ng Of f i cer .

][ 2. 5. 2. 2 Pumpi ng Uni t

Pr ovi de an el ect r i c mot or - dr i ven cent r al pumpi ng uni t as a compl et e assembl y, consi st i ng of a posi t i ve di spl acement t ype pump, f l ow- di r ect i ng val ve ( i f r equi r ed) , l ubr i cant r eser voi r , sui t abl e pr essur e gage t o i ndi cat e pump di schar ge pr essur e, oper at i on count er , pr essur e pr ot ect i ve devi ce, and ot her auxi l i ar y accessor i es as r equi r ed t o gi ve a compl et e and wor kabl e uni t conf or mi ng t o t he r equi r ement s speci f i ed. The pump must be of mul t i pl e i ndi v i dual pi st on, posi t i ve di spl acement t ype ut i l i z i ng har dened st eel pi st ons, c l osel y f i t t ed t o t he cyl i nder bor es t o el i mi nat e t he need f or packi ng. Spr i ng- act uat ed check val ves i s not be r equi r ed f or i t s oper at i on. The pump must del i ver not l ess t han 100 mL 6 cubi c i nches of l ubr i cant per mi nut e agai nst a pr essur e of not l ess t han 13. 8 MPa 2000 psi measur ed at t he most r emot e bear i ng connect i on. The l ubr i cant r eser voi r must be of a sui t abl e met al l i c const r uct i on, wi t h a capaci t y of not l ess t han 11 kg 24 pounds of l ubr i cant , and pr ovi ded wi t h a means t hat wi l l ensur e posi t i ve pr i mi ng of t he pump at al l t i mes ( such as an at mospher i c or spr i ng- l oaded f ol l ower pl at e) , an i ndi cat or t o show quant i t y of l ubr i cant i n t he r eser voi r , and a scr eened f i l l connect i on t o per mi t f i l l i ng t he r eser voi r by a t r ansf er pump wi t hout exposi ng t he l ubr i cant t o t he at mospher e. Pr ovi de t he pump uni t wi t h a f ul l y aut omat i c cont r ol syst em, capabl e of sui t abl e or pr oper schedul i ng by an adj ust abl e synchr onous mot or - dr i ven t i mi ng devi ce, and ot her r equi r ed auxi l i ar i es necessar y t o gi ve a compl et e and wor kabl e syst em. Pr ovi de t he cont r ol l er wi t h a " Hand Of f - Aut omat i c" sel ect or mast er swi t ch t o per mi t sel ect i on bet ween push but t on manual and aut omat i c t i me cl ock oper at i on, and t o deener gi ze t he syst em. Suppl y el ect r i c power at 115 vol t s s i ngl e phase, 60 cycl es. Use t he t i me cl ock set t i ng r ecommended by t he mai n pump manufacturer.

][ 2. 5. 2. 3 Met er i ng Val ves

Pr ovi de a met er i ng or measur i ng val ve f or each bear i ng and st uf f i ng box. I t must be f ul l y hydr aul i c i n i t s oper at i on, r equi r i ng no i nt er nal spr i ngs or check val ves. The val ve s i ze i s det er mi ned by t he pump manuf act ur er .

][ 2. 5. 2. 4 Piping

The syst em pi pi ng must be st ai nl ess st eel t ubi ng ( ASTM A269/ A269M, Type 410 or equal ) usi ng f l ar ed or compr essi on- t ype connect or s. Adequat el y pr ot ect and r i gi dl y suppor t t he pi pi ng l ocat ed bel ow t he oper at i ng r oom f l oor i n a manner appr oved by t he Cont r act i ng Of f i cer . Pr ovi de each i ndi v i dual gr ease l i ne wi t h a " Tee" f i t t i ng, l ocat ed i mmedi at el y bel ow t he r espect i ve met er i ng val ve and accessi bl e f r om t he oper at i ng r oom. Pr ovi de t he pi pi ng wi t h a st andar d 6 mm 1/ 4 i nch gr ease f i t t i ng so t hat each i ndi v i dual l i ne may be f ul l y char ged wi t hout usi ng t he l ubr i cat i ng syst em pump. The si ze, st r engt h of pi pe, and t ype and st r engt h of f i t t i ngs must be as r ecommended and guar ant eed by t he l ubr i cat i on syst em manuf act ur er , but i n no case can t he bur st i ng pr essur e of t he pi pe or t ubi ng used be l ess t han t hr ee t i mes t he maxi mum wor ki ng pr essur e. Pr ovi de a check val ve l ocat ed bet ween t he di schar ge out l et of t he measur i ng val ve and t he " Tee" f i t t i ng speci f i ed


above i n each bear i ng l ubr i cat i ng l i ne t hat i s exposed t o wat er pr essur e t o pr event ent r ance of wat er i nt o t he r espect i ve measur i ng val ves.

] ] 2. 5. 3 Lubr i cat i on Syst em Accessor i es

2. 5. 3. 1 Gr ease Gun

Pr ovi de a hand oper at ed, heavy dut y l ever gr ease gun f or char gi ng l ubr i cat i on l i nes and f or emer gency l ubr i cat i on. Pr ovi de gr ease as r ecommended by t he ver t i cal pump manuf act ur er .

[ 2. 5. 3. 2 Ser vi ce Faci l i t i es

Pr ovi de a ser vi ce f aci l i t y consi st i ng of a por t abl e hand oper at ed t r ansf er pump, a hand- t owed dol l y, and a 55 kg 120 pound dr um of l ubr i cant , al l assembl ed and r eady f or oper at i on. The pump must be sel f - cont ai ned and desi gned f or mount i ng on t he gr ease dr um t o pr ot ect t he cont ent s f r om t he ent r ance of f or ei gn mat t er . The pump must del i ver not l ess t han 0. 45 kg one pound i n not mor e t han ei ght st r okes of t he pump handl e under nor mal t emper at ur e condi t i ons. Fur ni sh t he necessar y hose and qui ck di sconnect coupl i ng f or a compl et e syst em. The hand- t owed dol l y must have a r i gi d pl at f or m wi t h f our ant i - f r i c t i on bear i ng mount ed wheel s, a t owi ng handl e, and a pr ovi s i on f or secur i ng t he l ubr i cant bar r el . Use t he t ype of l ubr i cant r ecommended by t he ver t i cal pump manuf act ur er .

] 2. 6 PAINTING

**************************************************************************NOTE: The pai nt i ng par agr aph r ef er s t o Sect i on 09 97 02 PAI NTI NG: HYDRAULI C STRUCTURES. Edi t UFGS Sect i on 09 97 02 t o r equi r e t he use of Syst em No. 21- A- Z For mul a 151 f or f er r ous par t s of t he pump l ocat ed above t he f i ni sh f l oor . For t he i nt er i or and ext er i or sur f aces of t he pump l ocat ed bel ow t he basepl at e, except f or st ai nl ess st eel or gal vani zed, t he r equi r ed pai nt syst em shoul d be Syst em No. 6- A- Z. Cont act t he CERL Pai nt Lab f or al l pai nt i ng questions.

**************************************************************************

Per f or m pai nt i ng i n accor dance wi t h Sect i on 09 97 02 PAI NTI NG: HYDRAULI C STRUCTURES.

2. 7 TESTS, I NSPECTI ONS, AND VERI FI CATI ONS

2. 7. 1 [ Cr i t i cal Speeds] [ Dynami c Anal ysi s]


Al t er nat e 1, Cr i t i cal Speeds i s used when t he est i mat ed oper at i ng hour s f or t he pumpi ng st at i on i s l ess t han 50 hour s per year .

Al t er nat e 2, Dynami c Anal ysi s i s used when oper at i ng hour s ar e gr eat er t han 50 hour s per year and t he pump i s dr i ven by an el ect r i c mot or . The mot or descr i bed i s a ver t i cal shaf t t ype wi t hout a speed r educer . I f t he deci s i on i s made t o use a


hor i zont al shaf t mot or , t hen Al t er nat e 2 needs t o be r evi sed t o i ncl ude t he speed r educer i n t he anal ys i s as descr i bed i n Al t er nat e 3. Sel ect t he f i r st and second br acket ed par agr aphs f or Al t er nat e 2.

Al t er nat e 3, Dynami c Anal ysi s, i s used when oper at i ng hour s ar e gr eat er t han 50 hour s per year and t he pump i s dr i ven by a di esel engi ne/ gear r educt i on uni t or when an FSI i s used. Sel ect t he f i r st br acket ed par agr aph and t he TORSI ONAL ANALYSI S and LATERAL FREQUENCY ANALYSI S par agr aphs.

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[ The assembl ed pumpi ng uni t , consi st i ng of t he [ mot or ] [ , ] [ engi ne] [ , ] [ speed r educer ] and pump must be f r ee f r om cr i t i cal speeds or har mf ul t or s i onal v i br at i ons at al l speeds encount er ed wi t hi n t he oper at i ng r ange. ]

[ Bef or e t he pump and mot or , f ur ni shed under Sect i on( s) [ 26 29 01. 00 10 ELECTRI C MOTORS, 3- PHASE VERTI CAL I NDUCTI ON TYPE] [ 26 29 02. 00 10 ELECTRI C MOTORS, 3- PHASE VERTI CAL SYNCHRONOUS TYPE] , [ 41 65 10. 00 10 [ DI ESEL] / [ NATURAL GAS FUELED] ENGI NE PUMP DRI VES] and [ 35 45 03. 00 10 SPEED REDUCERS FOR STORM WATER PUMPS] ar e r el eased f or manuf act ur e, t he pump/ mot or st r uct ur e must be anal yzed by t he pump manuf act ur er f or har mf ul nat ur al f r equenci es i n t he l at er al and t or s i onal di r ect i ons. A nat ur al f r equency t hat occur s wi t hi n 25 per cent above or bel ow nor mal oper at i ng speed i s unaccept abl e. Const r uct a dynami c anal ysi s model usi ng a commer ci al l y avai l abl e pr ogr am such as Ansys, Cosmos/ M, or equi val ent , whi ch ut i l i ze f i ni t e el ement met hods. I ncor por at e ef f ect s of col umn pi pes, cover pi pes, shaf t s, bear i ngs, mass concent r at i ons, and ot her such f eat ur es as necessar y t o accur at el y model t he pump st r uct ur e. Anal yze t he st r uct ur e i n t he r un ( wet ) condi t i on and consi der t he ef f ect of wat er mass i n t he col umn and dampi ng ef f ect of wat er i n t he sump ( ver t i cal uni t s onl y) at hi ghest and l owest sump wat er l evel s. I ncor por at e Reed cr i t i cal f r equency and mass el ast i c di agr am i nf or mat i on pr ovi ded by t he mot or manuf act ur er . I f t he mot or manuf act ur er cannot demonst r at e t o t he sat i s f act i on of t he Cont r act i ng Of f i cer ( based on i mpact t est s of s i mi l ar uni t s) t hat t he Reed cr i t i cal f r equency val ue i s accur at e, t he mot or manuf act ur er must conduct a dynami c anal ysi s usi ng f i ni t e el ement met hods as descr i bed t o det er mi ne mot or Reed cr i t i cal f r equency f or use by t he pump manuf act ur er . Submi t t he compl et e det ai l ed dynami c anal ysi s r epor t i ncl udi ng t he f ol l owi ng information:

a. Comput er pr ogr am used.

b. Schemat i c di agr am of t he model depi ct i ng nodes and el ement s.

c. I nput dat a consi st i ng of node coor di nat es, el ement t ypes, mat er i al pr oper t i es, el ement char act er i st i cs, el ement connect i v i t i es, and speci f i ed di spl acement s.

d. Mot or mass el ast i c and Reed cr i t i cal i nf or mat i on ( or dynami c anal ysi s, i f r equi r ed) .

e. Anal ysi s r esul t s, i ncl udi ng s i gni f i cant nat ur al f r equenci es.

f . I nt er pr et at i on of r esul t s.

I mpact t he t est mot or f ur ni shed bef or e shi pment t o det er mi ne act ual Reed cr i t i cal f r equency of mot or . I nc l ude r esul t s of i mpact t est s i ncl uded i n


mot or t est dat a t o be submi t t ed. The pump manuf act ur er must addr ess any di scr epancy bet ween cal cul at ed and act ual mot or Reed cr i t i cal f r equency val ues t o det er mi ne whet her desi gn changes ar e r equi r ed t o pr event har mf ul nat ur al f r equenci es i n t he pump/ mot or st r uct ur e. I f any desi gn changes ar e r equi r ed, i ncor por at e t hem at no cost t o Gover nment . ]

[ 2. 7. 1. 1 Tor si onal Anal ys i s

Bef or e t he pump, gear dr i ve, and engi ne ar e r el eased f or manuf act ur e, t he engi ne suppl i er must anal yze t he syst em f or har mf ul t or s i onal nat ur al f r equenci es usi ng mass el ast i c i nf or mat i on pr ovi ded by t he pump and gear dr i ve manuf act ur er s. A nat ur al f r equency t hat occur s wi t hi n 25 per cent above or bel ow [ nor mal oper at i ng speed] [ any of t he oper at i ng speeds r equi r ed f or pump oper at i ng condi t i ons] i s consi der ed t o be unaccept abl e.

][ 2. 7. 1. 2 Lat er al Fr equency Anal ysi s

Bef or e each pump, engi ne, and gear dr i ve f ur ni shed under Sect i on( s) [41 65 10. 00 10 [ DI ESEL] / [ NATURAL GAS FUELED] ENGI NE PUMP DRI VES] [ , ] [35 45 03. 00 10 SPEED REDUCERS FOR STORM WATER PUMPS] , r espect i vel y, ar e r el eased f or manuf act ur i ng, t he pump/ gear dr i ve st r uct ur e must be anal yzed by pump manuf act ur er f or har mf ul nat ur al f r equenci es i n t he l at er al di r ect i ons. A nat ur al f r equency t hat occur s wi t hi n 25 per cent above or bel ow [ nor mal oper at i ng speed] [ any oper at i ng speeds r equi r ed f or pump oper at i ng condi t i ons] i s consi der ed t o be har mf ul . Const r uct t he dynami c anal ysi s model usi ng a commer ci al l y avai l abl e pr ogr am such as Ansys, Cosmos/ M, or equi val ent t hat ut i l i zes f i ni t e el ement met hods. I ncor por at e ef f ect s of col umn pi pes, cover pi pes, shaf t s, bear i ngs, mass concent r at i ons, and ot her such f eat ur es i n t he model as necessar y t o accur at el y model t he pump st r uct ur e. Anal yze t he st r uct ur e i n t he r un ( wet ) condi t i on and consi der t he ef f ect of wat er mass i n t he col umn and t he dampi ng ef f ect of wat er i n t he sump at t he hi ghest and l owest sump wat er l evel s. The model must i ncor por at e Reed cr i t i cal f r equency and mass el ast i c di agr am i nf or mat i on pr ovi ded by t he gear dr i ve manuf act ur er . I f t he gear dr i ve manuf act ur er cannot demonst r at e t o t he sat i sf act i on of t he Cont r act i ng Of f i cer ( based on i mpact t est s of s i mi l ar uni t s) t hat t he Reed cr i t i cal f r equency val ue i s accur at e, a dynami c anal ysi s usi ng f i ni t e el ement met hods as descr i bed her ei n must be conduct ed by t he gear dr i ve manuf act ur er t o det er mi ne gear dr i ve Reed cr i t i cal f r equency f or use by pump manuf act ur er . Submi t t he compl et e dynami c anal ysi s r epor t i nc l udi ng t he f ol l owi ng i nf or mat i on:

a. Comput er pr ogr am used.

b. Schemat i c di agr am of t he model depi ct i ng nodes and el ement s.

c. I nput dat a consi st i ng of node coor di nat es, el ement t ypes, mat er i al pr oper t i es, el ement char act er i st i cs, el ement connect i v i t i es, and speci f i ed di spl acement s.

d. Gear mass el ast i c and Reed cr i t i cal i nf or mat i on( or dynami c anal ysi s, i f required).

e. Anal ysi s r esul t s i ncl udi ng al l s i gni f i cant nat ur al f r equenci es.

f . I nt er pr et at i on of r esul t s.

I mpact - t est t he gear dr i ve bef or e shi pment t o det er mi ne t he act ual Reed cr i t i cal f r equency of t he dr i ve. Submi t r esul t s of i mpact t est s. The pump


manuf act ur er must addr ess any di scr epancy bet ween cal cul at ed and act ual gear dr i ve Reed cr i t i cal f r equency val ues as t o whet her or not desi gn changes ar e r equi r ed t o pr event har mf ul nat ur al f r equenci es i n t he pump/ gear dr i ve st r uct ur e. I f any desi gn changes ar e r equi r ed, i ncor por at e at no cost t o t he Gover nment .

] [ 2. 7. 2 Lubr i cat i ng Syst em Test s

**************************************************************************NOTE: Del et e t hese par agr aphs i f wat er - l ubr i cat ed pumps ar e cal l ed f or .

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Test t he compl et e l ubr i cat i ng syst em f or each pumpi ng uni t , as deemed necessar y by t he Cont r act i ng Of f i cer , t o det er mi ne t hat t he syst em meet s t he oper at i onal r equi r ement s speci f i ed. Test at l east one val ve of each si ze f ur ni shed wi t h t he l ubr i cat i on l i ne r emoved f r om i t s bear i ng and f i t t ed wi t h a pr essur e r el i ef val ve and pr essur e gage. Adj ust t he pr essur e r el i ef val ve t o di schar ge i t at t he oper at i ng pr essur e speci f i ed and oper at e t he syst em t hr ough one or mor e cycl es as r equi r ed t o obt ai n an accur at e measur ement of t he quant i t y of l ubr i cant del i ver ed. Thi s must be wi t hi n pl us or mi nus 20 per cent of t he t heor et i cal del i ver y of t he r espect i ve val ve. Repl ace, r ei nst al l , and r et est any component par t s t hat ar e damaged as t he r esul t of t hese t est s or t hat f ai l t o meet t he r equi r ement s of t he speci f i cat i on.

] 2. 7. 3 Fact or y Test

**************************************************************************NOTE: Test each di f f er ent s i ze pump f or per f or mance.

Al t er nat e speci f i cat i ons f or t he " Fact or y Test " have been pr ovi ded i n t hi s speci f i cat i on. Al t er nat e 1 gi ves t he manuf act ur er t he opt i on of t est i ng ei t her t he pr ot ot ype pump ( f i r st pump pr oduced) or a homol ogous model of t he pump. Thi s al t er nat i ve shoul d be used f or al l pumps havi ng a di amet er up t o and i ncl udi ng 1200 mm 48 i nch. Al t er nat e 2, whi ch r equi r es a homol ogous model of t he pump be t est ed f or per f or mance and NPSHR char act er i st i cs, shoul d be used f or pumps havi ng a di amet er gr eat er t han 1200 mm 48 i nch. Al t er nat e 2 can al so be used f or pumps smal l er t han 1200 mm 48 i nch i n di amet er i f t he expect ed annual oper at i ng t i me i s gr eat er t han 500 hour s per year or f or t he speci al case when t her e i s no publ i shed NPSHR cur ve avai l abl e.

**************************************************************************

2. 7. 3. 1 General

**************************************************************************NOTE: Sel ect t he appr opr i at e al t er nat e par agr aph.

I n t he second al t er nat e, t he i ncl usi on of t he di schar ge wat er passage i s based on t he compl exi t y of t he passage and shoul d be deci ded i n ear l i er desi gn document s.

**************************************************************************


[ Per f or mance of [ t he] [ each s i ze] pump t o be f ur ni shed wi l l be accept ed on t he basi s of t he f act or y t est . Conduct t hi s t est usi ng ei t her a scal e model of [ pump or f i r st pump pr oduced f or t hi s cont r act . ] [ each s i ze of pump or one of each si ze of pump pr oduced f or t hi s cont r act . ] Per f or m cavi t at i on t est i ng i n accor dance wi t h HI ANSI / HI 14. 6 i f no publ i shed NPSHR cur ves ar e avai l abl e.

][ Det er mi ne t he per f or mance and cavi t at i on l i mi t s of t he pr oposed pump[ and t he shape of t he di schar ge wat er passage] by a ser i es of t est s made on a scal e model of t he pump[ and di schar ge wat er passage] . Compl et e t he model t est wi t hi n [ 180] [ 240] days af t er t he dat e of not i ce t o pr oceed.

] 2. 7. 3. 2 Test Set up

**************************************************************************NOTE: Sel ect t he appr opr i at e al t er nat e par agr aph. Fi r st par agr aph, Al t er nat e 1; second par agr aph, Al t er nat e 2.

I f an FSI i s used t hat does not use t he di mensi ons/ r at i os as f ur ni shed by t he Gover nment , a compl et e pump shoul d be t est ed.

**************************************************************************

Al t er nat e 1) [ A model pump, i f used, must be homol ogous t o t he pr oposed pr ot ot ype pump, i nst al l ed wi t h t he shaf t i n t he ver t i cal posi t i on, and have an i mpel l er i nl et di amet er of not l ess t han 275 mm 11 i nches. Compl et e t he model t est wi t hi n [ 150] [ 180] days af t er dat e of not i ce of awar d. I ncl ude a model of t he[ [ sump] [ i ncl udi ng sump cl osur e gat e] [ and di schar ge wat er passage] ] [ [ manuf act ur er ' s st andar d sump] [ and di schar ge wat er passage] ] . [ I nst al l a model of t he f or med suct i on i nt ake ( FSI ) speci f i ed on t he model pump t hat i s t est ed. ] ]

Al t er nat e 2) [ The model pump must be homol ogous t o t he pr oposed pr ot ot ype pump, and mount ed wi t h t he shaf t i n t he ver t i cal posi t i on. [ Equi p t he sump wher e t he pump suct i on occur s wi t h wi ndows st r at egi cal l y l ocat ed f or v i ewi ng t hose ar eas wher e separ at i on i s l i kel y t o occur . Wi ndows may be r i ngs of t r anspar ent mat er i al appr oxi mat el y 100 t o 125 mm 4 t o 5 i nches wi de secur el y anchor ed bet ween f l anges. ] The i mpel l er i nl et di amet er and t he dat um f or t hi s t est speci f i cat i on must be as i ndi cat ed on Fi gur e 3 at t he end of t hi s sect i on. The i nl et di amet er must be not l ess t han 275 mm 11 i nches. [ I f a f or med suct i on i nt ake ( FSI ) i s speci f i ed f or t he pump, i ncl ude t he compl et e FSI , i ncl udi ng t he [ gat e] [ bul khead] s l ot , i n t he model t est . ] The FSI used i n t he model t est must be geomet r i cal l y t he same as t hat used f or t he pr oposed pump. ]

**************************************************************************NOTE: Del et e par agr aph bel ow. i f Al t er nat e 2, above, i s sel ect ed.

**************************************************************************

[ Pr ot ot ype Pump( s) - Set pr ot ot ype ( f i r st pump bui l t ) pump( s) , i f sel ect ed, wi t h t he shaf t i n t he ver t i cal posi t i on. A f act or y t est el bow may be used i n l i eu of t he pr ot ot ype el bow f or t est i ng pur poses, pr ovi di ng t est r esul t s ar e adj ust ed t o r ef l ect t he di f f er ence i n l osses. Compl et e t est s pr i or t o assembl i ng any pump except t he [ one] [ ones] t o be t est ed. ( I nst al l t he FSI speci f i ed on t he pr ot ot ype pump t hat i s tested.)]


2. 7. 3. 3 I nst r ument at i on and Pr ocedur es

Descr i be each i nst r ument i n det ai l , gi v i ng al l dat a appl i cabl e, such as manuf act ur er ' s name, t ype, model number , cer t i f i ed accur acy, coef f i c i ent , r at i os, speci f i c gr avi t y of manomet er f l ui d t o be used, and smal l est scal e di v i s i on. Pr ovi de cal i br at i on dat a on each of t he i nst r ument s used. When necessar y f or c l ar i t y , i ncl ude a sket ch of t he i nst r ument or i nst r ument ar r angement . I ncl ude f ul l y det ai l ed nar r at i ve descr i pt i on of each pr oposed met hod of i nst r ument at i on, pr ocedur es t o be used, and a sampl e set of comput at i ons. St at e t he l owest equi val ent st at i c head t hat i s obt ai nabl e wi t h t he t est i ng when oper at i ng al ong t he head- capaci t y cur ve of t he pr oposed pump. Per f or m t est pr ocedur es, except as speci f i ed, i n accor dance wi t h appl i cabl e pr ovi s i ons of HI ANSI / HI 14. 6.

2. 7. 3. 3. 1 Head Measur ement s

Make head measur ement s usi ng ei t her a di r ect r eadi ng wat er col umn, mer cur y- ai r , mer cur y- wat er , a Mer i am f l ui d manomet er , or a pr essur e t r ansducer . Measur e vacuums wi t h ei t her a mer cur y- ai r manomet er , a mer cur y- wat er manomet er , or a pr essur e t r ansducer . Dampen f l uct uat i ons suf f i c i ent l y t o per mi t col umn gages or a di f f er ent i al pr essur e t r ansducer t o be r ead t o ei t her c l osest 2 mm 0. 01 f oot of wat er or Mer i am f l ui d or 2 mm 0. 1 i nch of mer cur y. Use manomet er s as i ndi cat ed by I SA RP2. 1. When pr essur e t r ansducer s ar e used, check t hei r accur acy wi t h a manomet er .

2. 7. 3. 3. 2 Capacity

Det er mi ne capaci t y by a cal i br at ed vent ur i f l owmet er or l ong- r adi us ASME f l ow nozzl e. Do not use or i f i ce pl at es. Connect t he vent ur i or nozzl e t aps t o t he col umn gages equi pped wi t h dampeni ng devi ces t hat per mi t s di f f er ent i al head t o be det er mi ned t o ei t her t he c l osest 2 mm 0. 01 f oot of wat er or Mer i am f l ui d or 2 mm 0. 1 i nch of mer cur y. Magnet i c f l owmet er s and f l owmet er s ut i l i z i ng ul t r asoni c f l ow measur ement s wi l l be accept abl e i f cal i br at i on of f l owmet er has been compl et ed wi t hi n t he l ast 6 mont hs.

2. 7. 3. 3. 3 Rot at i onal Speed of Pump

Measur e t he r ot at i onal speed of t he pump i n accor dance wi t h " Met hod of Rot ar y Speed Movement " i n HI ANSI / HI 14. 6, except t hat r evol ut i on count er s cannot be used. Non- cont act i ng hand- hel d el ect r oni c t achomet er s ar e accept abl e. The devi ce used must per mi t t he speed t o be det er mi ned t o 1 rpm.

2. 7. 3. 3. 4 Power I nput

Measur e power i nput t o t he pump i n accor dance wi t h " Power Measur ement s" i n HI ANSI / HI 14. 6. Use a met hod t o per mi t pump br ake wat t age hor sepower t o be det er mi ned t o t he c l osest 0. 5 kW 0. 5 hor sepower .

2. 7. 3. 3. 5 Cavi t at i on Test s

**************************************************************************NOTE: Al t er nat e 2.

**************************************************************************

Use i nst r ument s sui t ed f or cavi t at i on t est i ng. However , do not use i nst r ument s t hat y i el d r esul t s l ess accur at e t han t hose obt ai ned wi t h t he per f or mance t est .


2. 7. 3. 4 Pump Test

Demonst r at e t hat t he pr oposed pump compl i es wi t h t he speci f i ed per f or mance. The pump must be capabl e of oper at i on wi t hout i nst abi l i t y over t he ent i r e r ange of heads speci f i ed i n par agr aph CAPACI TI ES. Tol er ances must be i n accor dance wi t h HI r equi r ement s. I nst abi l i t y i s def i ned, f or t hi s speci f i cat i on, as when one or mor e of t he f ol l owi ng condi t i ons occur :

a. t he pump has t wo or mor e f l ow r at es at t he same t ot al head;

b. The head- capaci t y cur ve has a di p ( r egi on on cur ve wher e change i n f l ow r at e pr oduces an abnor mal l y l ow head) ;

c. When any poi nt i n t he usabl e r ange of head- capaci t y cur ve cannot be r epeat ed wi t hi n 3 per cent .

Rer un t he t est i f t hi s occur s. Compl i ance wi t h speci f i cat i ons wi l l be det er mi ned f r om cur ves r equi r ed by par agr aph TEST RESULTS. Test pr ocedur es, except as speci f i ed, must be i n accor dance wi t h appl i cabl e pr ovi s i ons of HI ANSI / HI 14. 6. The accept ance gr ade i s 1U as descr i bed i n HI ANSI / HI 14. 6. Use wat er at appr oxi mat el y t he same t emper at ur e f or al l t est s r un and r ecor d t he t emper at ur e dur i ng t est r uns.

2. 7. 3. 5 Test Pr ocedur e

**************************************************************************NOTE: The suct i on wat er el evat i on i s t hat l evel i ndi cat ed i n par agr aph CAPACI TI ES.

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2. 7. 3. 5. 1 Per f or mance of The Pump

Det er mi ne t he per f or mance of t he pump by a ser i es of t est poi nt s suf f i c i ent i n number t o devel op a const ant - speed cur ve over t he r ange of t ot al heads cor r espondi ng t o t he [ st at i c] [ pool - t o- pool ] [ bowl ] heads i n par agr aph CAPACI TI ES. The per f or mance/ t est r ange must i ncl ude addi t i onal t est i ng at t ot al heads 600 mm 2 f eet hi gher t han t he t ot al head det er mi ned i n par agr aph CAPACI TI ES. The l owest t ot al head f or t est i ng must be, as a mi ni mum, t he t ot al head det er mi ned f r om par agr aph " CAPACI TI ES" . I f t he t est set up per mi t s t est i ng at l ower t ot al heads, ext end t he r ange of t ot al heads 600 mm 2 f eet l ower . Test i ng must be i ncl us i ve f or [ each] [ t he] speed( s) i nvol ved wi t h t he sump at el evat i on[ s] [ _____] [ and [ _____] NGVD f eet ] . Conduct t est s usi ng pr ot ot ype [ t ot al ] [ pool - t o- pool ] heads. Head di f f er ent i al s bet ween adj acent t est poi nt s cannot exceed 900 mm 3 f eet , but i n no case may f ewer t han 10 poi nt s be pl ot t ed i n t he pumpi ng r ange. I f t he pl ot of t he dat a i ndi cat es a possi bi l i t y of i nst abi l i t y or di p i n t he head- ver sus- capaci t y cur ve, a suf f i c i ent number of addi t i onal poi nt s on ei t her s i de of i nst abi l i t y must be made t o c l ear l y def i ne t he head- capaci t y char act er i st i cs. When a scal e model of t he pump i s t est ed, consi der t he ef f i c i ency of t he pr ot ot ype pump t o be t he ef f i c i ency of t he model . No ot her comput at i on or adj ust ment of model ef f i c i ency t o pr ot ot ype condi t i ons wi l l be per mi t t ed.

2. 7. 3. 5. 2 Sump El evat i ons

Conduct t est s at t wo di f f er ent sump el evat i ons ( appr oxi mat el y a 1500 mm 5 f oot di f f er ent i al ) t o det er mi ne t he ef f ect of t est sump geomet r y on t he per f or mance of t he pump. Shoul d t he t est r esul t s i ndi cat e t hat t he


per f or mance i s not t he same i n al l r espect s f or bot h sump condi t i ons, t ake what ever cor r ect i ve act i on i s necessar y t o pr oduce congr uent r esul t s. [ One of t he t wo sump el evat i ons used may be at t he speci f i ed el evat i on. ] [ Use t he sump el evat i ons speci f i ed i n par agr aph CAPACI TI ES. ] The t est r esul t s wi t h t hi s sump el evat i on must meet al l speci f i ed condi t i ons of capaci t y, head, and br ake kW hor sepower . Submi t cur ves i ndi cat i ng t est r esul t s.

2. 7. 3. 5. 3 Test s Resul t s

Pl ot r esul t s of t est s t o show t ot al head, [ [ st at i c ] [ pool - t o- pool ] [ bowl ] heads] , br ake kW hor sepower and ef f i c i ency as or di nat es; al l pl ot t ed agai nst pump di schar ge as t he absci ssa. Pl ot cur ves showi ng pr ot ot ype per f or mance t o a scal e t hat wi l l per mi t r eadi ng head di r ect l y t o [ 60] [ 150] mm [ 0. 2] [ 0. 5] f oot , capaci t y t o [ 190] [ 380] [ 760] [ 1900] L/ mi n [ 50] [ 100]

[ 200] [ 500] gpm, [ 0. 14] [ 0. 28] [ 1. 4] m3/ s [ 5] [ 10] [ 50] cf s, ef f i c i ency t o 1 per cent , and power i nput t o [ 3. 7] [ 7. 5] [ 18. 6] [ 37. 2] kW [ 5] [ 10] [ 25] [ 50] hor sepower .

2. 7. 3. 5. 4 Demonstration

Demonst r at e t o t he Gover nment wi t ness t hat t he bl ade t empl at es f i t t he t est ed pump. Per f or m t he demonst r at i on i mmedi at el y af t er t est i ng i s compl et ed. Ret ai n al l t empl at es f or t he t est ed pump, and f ur ni sh t hem t o t he Gover nment upon r equest of t he Cont r act i ng Of f i cer , t o per mi t t he Gover nment t o ver i f y geomet r i c s i mi l ar i t y wi t h t he manuf act ur er ' s pump. I n addi t i on t o pr ovi di ng t empl at es, f ur ni sh di mensi oned dr awi ngs of t he i mpel l er t hat cont ai n al l di mensi ons needed t o manuf act ur e i t . St amp t he t est ed i mpel l er wi t h i dent i f i cat i on mar ks. Pr ovi de necessar y f aci l i t i es and i nst r ument s needed t o per mi t t he Gover nment t o ver i f y t hat pump[ s] [ i s ] [ ar e] i n compl et e geomet r i c s i mi l ar i t y wi t h t he t est ed pump.

2. 7. 3. 6 Cavi t at i on Test s

**************************************************************************NOTE: Al t er nat e 2.

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2. 7. 3. 6. 1 Model Test

The model t est must i ncl ude t he det er mi nat i on of net posi t i ve suct i on head r equi r ed ( NPSHR) at f i ve or mor e poi nt s on [ t he const ant speed cur ve] [ each const ant speed cur ve when mor e t han one speed i s i nvol ved] . Det er mi ne NPSHR, as a mi ni mum, f or f i ve or mor e capaci t i es cor r espondi ng t o pr ot ot ype capaci t i es over t he t ot al r ange of speci f i ed oper at i ng condi t i ons. I f t he pump has a capaci t y gr eat er t han t hat speci f i ed f or t he l owest and/ or hi ghest oper at i ng condi t i on, t hen use t hese over - capaci t y condi t i ons. Equal l y space t he ot her t est capaci t y poi nt s bet ween t he hi ghest and l owest capacities.

2. 7. 3. 6. 2 NPSHR

Det er mi ne NPSHR on a const ant - capaci t y, const ant - speed basi s, usi ng ar r angement Fi gur e F. 3 or F. 4 as descr i bed under par agr aph " Net Posi t i ve Suct i on Head Requi r ed Test " i n HI ANSI / HI 14. 6. Var y suct i on condi t i ons t o pr oduce cavi t at i on. NPSHR must be t he maxi mum val ue at whi ch any one or al l of t he pl ot t ed cur ves, head, kW hor sepower , and ef f i c i ency depar t f r om t he const ant val ues ( poi nt of t angency) . Obt ai n a suf f i c i ent number of poi nt s t o accur at el y l ocat e t he depar t ur e poi nt .


2. 7. 3. 6. 3 Val ue of NPSHR

**************************************************************************NOTE: The amount head mar gi n used t o det er mi ne adequacy of NPSHR i s det er mi ned dur i ng t he desi gn of t he pumpi ng st at i on as i ndi cat ed i n Engi neer i ng Manual EM 1110- 2- 3105.

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The val ue of NPSHR must be [ 300] [ 600] [ 900] mm [ 1] [ 2] [ 3] f eet l ess t han t he cor r espondi ng avai l abl e net posi t i ve suct i on head avai l abl e ( NPSHA) . Det er mi ne NPSHA usi ng t he t emper at ur e of t he wat er i n t he model at t he t i me t he t est s ar e r un and t he dat um shown on Fi gur e 3 at t he end of t hi s sect i on. Use t he wat er el evat i ons speci f i ed i n par agr aph CAPACI TI ES t o det er mi ne t he NPSHA f or t he pumps.

2. 7. 3. 6. 4 Pl ot t i ng Test Resul t s

Pl ot t he t est r esul t s t o t he scal es det er mi ned by t he Cont r act i ng Of f i cer at t he t i me of t he t est . Dr aw cur ves showi ng [ st at i c] [ pool - t o- pool ] [ t ot al ] head, br ake kW hor sepower , and [ pool - t o- pool ] ef f i c i ency as or di nat es and NPSH as t he absci ssa. I n addi t i on, dr aw cur ves showi ng NPSHR ver sus capaci t y wi t h NPSH as t he or di nat e and capaci t y as t he absci ssa. Show NPSHA poi nt s on t he cur ves.

2. 7. 3. 6. 5 Curves

Shoul d i t be consi der ed necessar y by t he Cont r act or t o t ake i nt o account measur ement i naccur aci es when dr awi ng t he cur ve needed t o det er mi ne NPSHR i n accor dance wi t h par agr aph NPSHR, use t he f ol l owi ng met hod. No ot her met hod i s accept abl e. Det er mi ne t he i naccur acy f or each par amet er , and f ur ni sh t he cal cul at i ons t o t he Cont r act i ng Of f i cer f or appr oval . Usi ng t he cal cul at ed i naccur acy as t he r adi us and t he t est poi nt as t he cent er , dr aw a c i r c l e f or each t est poi nt . Dr aw t wo cur ves, one a maxi mum and t he ot her a mi ni mum, and pass t hr ough or t ouch each ci r c l e. The maxi mum cur ve must t ouch t he t op and t he mi ni mum cur ve must t ouch t he bot t om of as many ci r c l es as i s pr act i cabl e whi l e mai nt ai ni ng smoot h cur ves. Shoul d t he pl ot i ndi cat e t hat a t est poi nt i s obvi ousl y er r oneous, i t may be i gnor ed by mut ual consent or t he t est may be r er un. Hal f way bet ween t he maxi mum and mi ni mum cur ves, dr aw anot her cur ve ( t he mean) . The poi nt at whi ch t he mean cur ve depar t s f r om t he const ant val ues ( poi nt of t angency) i s consi der ed t o be t he NPSHR of t he pump f or t he capaci t y at whi ch t he t est was r un.

2. 7. 3. 7 Wi t ness Test

**************************************************************************NOTE: The t i me t o r evi ew t est dat a shoul d be 2 weeks. Longer t i mes may be used when t he Di st r i c t has st af f i ng di f f i cul t i es or speci al ar r angement s ar e r equi r ed t o have dat a r evi ewed by ot her s. The shor t est per i od i s pr ef er r ed s i nce t hi s may per mi t t he pump t est ed t o r emai n i n pl ace dur i ng t he r evi ew per i od. I f t he pump/ t est i nst r ument s ar e not moved, t hen t he possi bi l i t y of changes t o t he t est r esul t s f or t he wi t ness t est ar e l ess l i kel y t o occur . The cost of t he t est s woul d be l ess al so.

**************************************************************************

When t he Cont r act or i s sat i sf i ed t hat t he t est ed pump per f or ms i n


accor dance wi t h t he r equi r ement s of t he speci f i cat i ons and t he guar ant eed val ues, not i f y t he Cont r act i ng Of f i cer t hat t he wi t ness t est s ar e r eady t o be r un and f ur ni sh copi es of t he cur ves r equi r ed i n par agr aph PUMP TEST [ AND CAVI TATI ON TESTS] al ong wi t h a set of sampl e cal cul at i ons wi t h const ant s and conver si on f act or s. Al so, pr ovi de i nst r ument cal i br at i on dat a i n t hi s r epor t . [ Two] [ Thr ee] [ Four ] weeks wi l l be r equi r ed t o r evi ew t hi s dat a bef or e t he Cont r act i ng Of f i cer wi l l be avai l abl e t o v i s i t t he Cont r act or ' s l abor at or y f or wi t nessi ng t he t est . Shoul d t he r esul t s of t he wi t ness t est r eveal t hat t he t est ed pump does not per f or m i n accor dance wi t h t he r equi r ement s of t he speci f i cat i on and t he guar ant eed val ues, make such changes as ar e r equi r ed t o make i t accept abl e bef or e agai n not i f y i ng t he Cont r act i ng Of f i cer t hat t he wi t ness t est s ar e r eady t o be r un. I mmedi at el y upon compl et i on of each wi t ness t est , submi t copi es of al l dat a t aken dur i ng t he t est t o t he Cont r act i ng Of f i cer wi t nessi ng t he t est . Fur ni sh comput at i ons of t est r esul t s and pl ot t ed pr el i mi nar y cur ves t o t he witness.

2. 7. 3. 8 Test Repor t

**************************************************************************NOTE: Del et e i t em " o" i f wat er passage i s not i ncl uded i n t he cont r act .

**************************************************************************

Submi t , wi t hi n 30 days of r ecei pt of appr oval of t he wi t ness t est , t o Gover nment [ 3] [ 4] [ 7] [ har d bound] [ di gi t al ] copi es of a r epor t cover i ng compl et el y t he t est set up and per f or mance[ and cavi t at i on] t est s. I ncl ude, as a mi ni mum, t her e f ol l owi ng i n each t est r epor t :

a. Pr ovi de a st at ement of t he pur pose of t he t est , t he name of t he pr oj ect , cont r act number , and desi gn condi t i ons. Al so pr ovi de wher e guar ant eed val ues di f f er f r om speci f i ed val ues.

b. A r esume of pr el i mi nar y st udi es, i f such st udi es wer e made.

c. A descr i pt i on of t he t est pump and mot or , i ncl udi ng ser i al number s, i f avai l abl e. I nf or mat i on r equi r ed under " b" may be i ncl uded her e.

d. A descr i pt i on of t he t est pr ocedur e used, i ncl udi ng dat es, t est per sonnel , any r et est event s, and wi t ness t est dat a.

e. A l i s t of al l t est i nst r ument s wi t h model number s and ser i al number s.

f . Sampl e comput at i ons ( compl et e) .

g. A di scussi on of t est r esul t s.

h. Concl usi ons.

i . Phot ogr aphi c evi dence i n t he f or m of ei t her mul t i pl e col or phot ogr aphs of t est equi pment , t est set up, and r epr esent at i ve t est segment s, and a di gi t al r ecor di ng on opt i cal di sc, at l east 30 mi nut es i n l engt h, cover i ng t he same i nf or mat i on as phot ogr aphs. Label al l phot ogr aphi c evi dence wi t h t he Cont r act number , l ocat i on, dat e/ t i me, and t est act i v i t y. Voi ce annot at e t he di gi t al r ecor di ng wi t h t he same information.

j . Copi es of i nst r ument cal i br at i on.


k. Copi es of al l r ecor ded t est dat a.

l . Cur ves r equi r ed by par agr aph TESTS RESULTS.

m. Cur ves showi ng t he per f or mance of t he t est pump.

n. Dr awi ngs of t he t est set up showi ng al l per t i nent di mensi ons and el evat i ons and a det ai l ed di mensi oned cr oss sect i on of t he pump.

[ o. Dr awi ngs i nc l udi ng cr oss sect i ons of wat er passages t hat must be i ncor por at ed i n t he const r uct i on cont r act .

] p. The name and cr edent i al s of t he Er ect i ng Engi neer ( s) who was( wer e) r esponsi bl e f or t he pump t est i ng.

[ 2. 7. 4 I nt ake Test s

**************************************************************************NOTE: Del et e t hi s par agr aph i f a model t est of t he i nt ake t o t he pumpi ng syst em( s) i s not r equi r ed.

**************************************************************************

Pr ovi de compl et e per f or mance model t est i ng of t he pump i nt ake syst ems. Use t he model t est i ng t o conf i r m t he conf i gur at i on of t he i nt ake syst ems, i ncl udi ng t he pr oposed i nt ake condui t , hydr aul i c l osses t o t he pump, t he posi t i on of t he pump i n t he i nt ake bay, and t o conf i r m t he sel ect i on of t he pump. The Cont r act i ng Of f i cer wi l l wi t ness t he f i nal t est s conf i r mi ng t he geomet r y f or t he i nt ake condui t . Fur ni sh t he Cont r act i ng Of f i cer wi t h not l ess t han 14 days wr i t t en not i ce of t he t i me and l ocat i on f or t he f i nal tests.

2. 7. 4. 1 Qualifications

Per f or m t he model i ng wor k i n a hydr aul i c l abor at or y l ocat ed wi t hi n t he Uni t ed St at es wher e t hi s t ype of wor k has been per f or med f or a per i od of at l east t en year s. The i ndi v i dual i n r esponsi bl e char ge of t he model i ng wor k must be a r egi st er ed pr of essi onal engi neer i n Fl or i da or i n t he U. S. st at e wher e t he model t est i ng wi l l be per f or med wi t h at l east t en year s ' exper i ence i n pump and i nt ake model i ng wor k f or s i mi l ar pr oj ect s. The engi neer must seal and si gn al l r epor t s and dat a document s gener at ed as a par t of t he t est wor k pr i or t o submi t t i ng t hem.

2. 7. 4. 2 I nt ake Model Set up and Obj ect i ves

The model i nt ake set up must be of t he i nt ake syst em, cust om desi gned f or t hi s i nst al l at i on and sui t abl e f or oper at i on at at mospher i c pr essur e f or obser vat i on of t he i nt ake basi n per f or mance. The i nt ake model must be sui t abl e f or use wi t h a model pump. Use cl ean and cl ear wat er f or t he t est t o al l ow pr oper obser vat i on. The t emper at ur e of t he wat er dur i ng any t est cannot exceed 30 degr ees C 85 degr ees F. [ For t he FSI , pr ovi de a set up t o det er mi ne f l ow pat t er ns i n t he suct i on basi n appr oachi ng t he i nt ake, al ong wi t h l osses t o t he pump. Pr ovi de f ur t her t est s t o i dent i f y f l ow pat t er ns i n t he i nt ake i t sel f and appr oach pat t er ns at t he ent r ance t o t he pump. ] I n t he i nt ake model , i ncl ude al l i t ems i n t he i nt ake pat h, i ncl udi ng, but not l i mi t ed t o: model s of t he t r ash r ack, st opl og s l ot s, access l adder s, and t he st i l l i ng wel l s i n t he i nt ake bays.


2. 7. 4. 3 I nt ake Model Test s

The obj ect i ve of t he model i ng wor k i s t o def i ne t he per f or mance of t he pr oposed pumpi ng uni t and t o conf i r m t he geomet r y t o be used f or t he pump i nt ake. The model must have a model - t o- pr ot ot ype Fr oude number r at i o of 1, based upon t he pump i mpel l er di amet er . Ar r ange t he model i n t he same r el at i ve or i ent at i on as t he pr ot ot ype st r uct ur e and i ncl ude t he bay conf i gur at i on and scr eeni ng syst em. Per f or m al l t est i ng wi t h t he same model. [

I nt ake Test s: For t he f or med suct i on i nt ake geomet r y shown on t he dr awi ngs, use t he model set up t o det er mi ne f l ow char act er i st i cs i n t he suct i on basi n i nt ake bay and at t he ent r ance t o t he FSI at al l speci f i ed oper at i ng condi t i ons. I n addi t i on, use t he model t o det er mi ne t he ef f ect of t he i nt ake syst em on pump oper at i ng char act er i s t i cs. Use a s i phon gener at ed by a separ at e pump t o exami ne f l ow char act er i st i cs i n t he i nt ake bay usi ng Fr oude r el at i onshi ps t o model i nt ake oper at i on i n t he f i r st set of t est s. Use second t est t o devel op i nf or mat i on on t he ef f ect of t he i nt ake on pump oper at i on. Use t hese val ues t o f or ecast t he per f or mance of t he pump- i nt ake condui t combi nat i on. ][

Al t er nat e I nt ake Geomet r y: I f an i nt ake geomet r y di f f er i ng f r om t hat i ndi cat ed i s pr oposed, or ot her modi f i cat i ons such as baf f l i ng, t est t he pr oposed i nt ake and/ or modi f i cat i ons t o demonst r at e i t s sui t abi l i t y f or use i n t he pr oj ect and compl i ance wi t h Appendi x I i n EM 1110- 2- 3105. For t hat r eason, desi gn t he l abor at or y set up speci f i cal l y t o moni t or f r ee and subsur f ace vor t i ces, swi r l and pr e- r ot at i on appr oachi ng t he pump i mpel l er , f l ow separ at i on at hydr aul i c sur f aces i n t he i nt ake condui t and at t he hydr aul i c sur f aces appr oachi ng t he pump i mpel l er , and axi al vel oci t y di st r i but i on at t he ent r ance t o t he i mpel l er . ]

a. The i nt ake condui t and pump i nl et must cont ai n sever al c l ear wi ndows and si mi l ar appur t enances and adequat e l i ght i ng at al l cr i t i cal ar eas t o al l ow vi sual det er mi nat i on of t he pr esence of vor t i ces, t ur bul ence, and ot her def ect s. Make pr ovi s i ons t o i nser t dye at i nt er val s i n t he i nt ake condui t and at t he ent r ance t o t he i mpel l er dur i ng oper at i on of t he t est . Reynol ds and Weber number s f or al l model r uns must be gr eat er t han 30, 000 and 120, r espect i vel y. The manuf act ur er must devel op scal e f act or s f or vel oci t y, f l ow, and t i me f or use i n eval uat i on of model r esul t s. Scal e f act or s ar e subj ect t o r evi ew by t he Cont r act i ng Of f i cer . I n addi t i on t o model r uns at al l speci f i ed oper at i ng condi t i ons, conduct no f ewer t han f i ve r uns at 1. 5 t i mes Fr oude- scal ed f l ows af t er f i nal geomet r i cs f or t he i nt ake condui t and i nt ake bays have been est abl i shed, keepi ng t he submer gences at t he geomet r i cal l y scal ed val ues. Tr ack and document c i r cul at i on cont r i but i ng t o devel opment of vor t i ces.

b. Det er mi ne vor t ex f or mat i on i n t he model ever y 15 seconds ext endi ng over a per i od of 10 mi nut es. Cl assi f y vor t i ces i n accor dance wi t h t he st r engt h c l assi f i cat i on syst em i n HI ANSI / HI 9. 8 f or bot h sur f ace and subsur f ace vor t i ces, usi ng dye wand i nj ect i on t o assi st i n c l assi f i cat i on. The manuf act ur er must pr ovi de bot h phot ogr aphi c and vi deo document at i on of vor t ex f or mat i on. Di r ect par t i cul ar at t ent i on t o subsur f ace vor t ex f or mat i on at t he i nt ake condui t ent r ance and on i nt ake condui t sur f aces l eadi ng t o t he i mpel l er ent r ance.

c. Pr ovi de a swi r l met er or ot her sat i sf act or y devi ce t o det er mi ne l i qui d r ot at i on ( swi r l ) at t he ent r ance t o t he i mpel l er . Obt ai n swi r l r eadi ngs at i nt er val s of 20 seconds f or a per i od of not l ess t han 10


mi nut es af t er t he model has achi eved st eady- st at e oper at i on at any speci f i ed oper at i ng condi t i on. Swi r l angl e i s def i ned by t he relationship:

swi r l angl e = ( 1/ ( t an) ) ( pi * d* n) ÷ u

Where:u = aver age axi al vel oci t y at t he swi r l met er .d = di amet er of t he condui t at t he swi r l met er .n = r evol ut i ons/ second at t he swi r l met er .

d. Headl oss Measur ement s: Measur e headl oss f r om t he upst r eam model boundar y t o j ust upst r eam of t he pump i nl et f or each document at i on t est and i ncl ude a mi ni mum of t he f ol l owi ng condi t i ons:

Pump No. Avg On/ Of f El . ( m) (feet)

I ndi v i dual Pump Q ( cubi c m per second) ( f ps)

Tot al Pump Q ( cubi c m per second) ( f ps)

**************************************************************************NOTE: Pr ovi de an expect ed or der of pump oper at i ons and expect ed i nt ake el evat i ons at st ar t - up f or each pump.

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e. Al so r ecor d t he head l oss f r om j ust upst r eam of t he FSI t o t he t hr oat of one model pump f or a mi ni mum of 10 f l ow r at es af t er t he model Eul er number i s det er mi ned t o be const ant and at l east one poi nt ( near t he mi ddl e of t he dat a) must be wi t hi n 2 per cent of t he scal ed r at ed f l ow of t he pump. Measur e head l oss wi t h a di f f er ent i al manomet er or di f f er ent i al st i l l i ng basi n. I nst al l a mi ni mum of f our pr essur e t aps ar ound t he pump t hr oat measur ement poi nt and j oi ned t o f or m an aver age pr essur e r eadi ng. Cal cul at e a di mensi onl ess head l oss coef f i c i ent f or t he f or med i nl et t hat i ncl udes t he ent r ance l oss i nt o t he f or med i nl et .

f . Det er mi ne t he vel oci t y pr of i l e i n t he channel cr oss sect i on appr oachi ng t he i nt ake and per f or mi ng t he vel oci t y t r aver ses on per pendi cul ar axes at t he i nt ake t hr oat , j ust upst r eam f r om t he i mpel l er . Vel oci t y measur ement i nst r ument s must be capabl e of an accur acy of pl us or mi nus 2 per cent .

g. Use t he f ol l owi ng as cr i t er i a f or accept ance of t he pr oposed desi gn:

( 1) Fr ee sur f ace and subsur f ace vor t i ces ent er i ng t he pump i nt ake must be l ess sever e t han Type 1, as def i ned i n HI ANSI / HI 9. 8, unl ess dye cor e vor t i ces appear f or l ess t han 10 per cent of t he t i me or onl y f or pump oper at i ng condi t i ons t hat ar e expect ed t o be i nf r equent , such as t he l i s t ed maxi mum or mi ni mum oper at i ng conditions.

( 2) Swi r l angl es, bot h maxi mum and aver age, i ndi cat ed by swi r l met er r eadi ngs, must be l ess t han 5 degr ees. Swi r l angl es as gr eat as 7 degr ees wi l l be accept ed i f occur r i ng l ess t han 10 per cent of t he t i me or f or oper at i ng condi t i ons t hat ar e expect ed t o be i nf r equent , such as t he l i s t ed maxi mum or mi ni mum oper at i ng conditions.


( 3) Vel oci t i es at poi nt s of equal r adi i at t he t hr oat of t he i nt ake condui t must be wi t hi n 10 per cent of each ot her .

( 4) Det er mi ne NPSHR on t he basi s of a one per cent r educt i on of efficiency.

( 5) Ti me- var yi ng vel oci t y f l uct uat i on ( t ur bul ence) l evel s as def i ned by a st andar d devi at i on over aver age vel oci t y at a poi nt wi t hi n t he pump t hr oat must be l ess t han 10 per cent .

h. Unl ess ot her wi se speci f i ed, conf or m accur acy of al l measur ement s t o t he l evel s est abl i shed i n HI ANSI / HI 14. 6.

2. 7. 4. 4 Recommendat i ons f r om t he Model Test

I f t he r esul t s of t he i nt ake model t est i ng i ndi cat e t hat any f eat ur es of t he desi gn ar e def i c i ent , r epor t t hi s t o t he Cont r act i ng Of f i cer i n wr i t i ng i mmedi at el y. I f t he i nt ake model er has r ecommendat i on f or i mpr ovi ng t he f l ows i n t he pumps, pr ovi de t hem i n t he I nt ake Model Test Repor t . Fl ag t hese as i mpor t ant i nf or mat i on t hat r equi r es t he Cont r act i ng Of f i cer ' s i mmedi at e at t ent i on. Not e al l r ecommendat i ons consi der ed maj or changes. pr ovi de any mi nor r ecommended changes t o t he i nt ake as var i at i ons i n t he shop dr awi ngs.

] 2. 8 BASEPLATE AND SUPPORTS

**************************************************************************NOTE: I f Al t er nat e 2 or 3 of par agr aph [ CRI TI CAL SPEEDS] [ DYNAMI C ANALYSI S] i s par t of t he cont r act , t he r esul t s of t he dynami c anal ys i s ar e i ncl uded as a l oad.

Sei smi c desi gn cr i t er i a ar e pr ovi ded i n UFC 3- 310- 04 SEI SMI C DESI GN FOR BUI LDI NGS.

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Pr opor t i on t he basepl at e t o suppor t t he ent i r e pump assembl y, t he [ r educt i on gear ] [ mot or ] and t he l oads ( i ncl udi ng t he r esul t s of t he dynami c anal ysi s) t o whi ch i t may be subj ect ed dur i ng oper at i on. Suppor t and anchor i s as i ndi cat ed. Fur ni sh l i f t i ng l ugs or eye bol t s, speci al s l i ngs, st r ongbacks, or ot her devi ces necessar y t o handl e t he pump dur i ng l oadi ng, unl oadi ng, er ect i on, i nst al l at i on, and subsequent di sassembl y and assembl y. [ Pr ovi de a sol e pl at e [ as i ndi cat ed] under t he basepl at e. I nst al l , l evel and gr out t he sol e pl at e i n accor dance wi t h API RP 686, Chapt er 5 - Mount i ng Pl at e Gr out i ng. ] Pr ovi de [ l evel i ng nut s] [ j acki ng bol t s] f or l evel i ng t he basepl at e assembl y. Pr ovi de an anchor bol t l ayout t o ai d i n pl acement of anchor bol t s. [ Back of f al l l evel i ng j acki ng bol t s af t er gr out i ng so t hat t hey do not suppor t any of t he l oad. ] The pedest al suppor t i ng t he [ mot or ] [ r i ght - angl e r educt i on gear ] must cont ai n a 25 mm 1- i nch l i p t o cont ai n wat er l eakage f r om t he shaf t packi ng. Pr ovi de a t hr eaded dr ai n t o t he sump. [ Sei smi c r equi r ement s must be i n accor dance with UFC 3- 310- 04 and Sect i ons 13 48 00 [ SEI SMI C] BRACI NG FOR MI SCELLANEOUS EQUI PMENT and 23 05 48. 19 [ SEI SMI C] BRACI NG FOR HVAC. ] Pr ovi de t he cal cul at i ons used i n t he desi gn of t he basepl at es and t he anchor i ng bol t s t o ensur e t hat t he pr oper f or ces ( shear , t or s i on, et c. ) have been consi der ed. The basepl at es must be st r uct ur al st eel pl at e of adequat e t hi ckness t o suppor t t he wei ght of t he pump and r i ght angl e hear or mot or ( as appl i cabl e) pl us t he maxi mum hydr aul i c t hr ust of t he pump. Pr ovi de


pl at es of t he l engt h and wi dt h i ndi cat ed, and t he t hi ckness as det er mi ned by t he pump manuf act ur er .

2. 9 PUMP DRAI NAGE

Pr ovi de dr ai n hol es f or al l par t s of t he pump t o el i mi nat e t r apped wat er . These dr ai n pr ovi s i ons must be sel f - dr ai ni ng wi t hout any r equi r ement t o ent er t he sump.

2. 10 FACTORY ASSEMBLY

The pump must be assembl ed at t he manuf act ur er ' s pl ant [ i n a ver t i cal posi t i on] t o assur e pr oper f i t t i ng and al i gnment of al l par t s. Tol er ances cannot exceed t hose speci f i ed or shown on t he t he manuf act ur i ng dr awi ngs. Check r ot at i ng el ement s f or bi ndi ng. The suct i on bel l , i mpel l er housi ng, di f f user , and t he di schar ge el bow must be pr oper l y mat ch mar ked and have t hei r cent er l i nes c l ear l y mar ked on t he out s i de of al l f l anges t o f aci l i t at e er ect i on and al i gnment i n t he f i el d. Not i f y t he Cont r act i ng Of f i cer suf f i c i ent l y i n advance t o per mi t a r epr esent at i ve of t he Cont r act i ng Of f i cer t o i nspect and wi t ness t he pump assembl y. Mat chmar k al l par t s di sassembl ed f or shi pment .

PART 3 EXECUTI ON

3. 1 INSTALLATION

3. 1. 1 Equipment

a. I nst al l t he equi pment f ur ni shed under t hi s sect i on and r el at ed dr i ve machi ner y f ur ni shed under ot her sect i ons of t hi s speci f i cat i on i n accor dance wi t h t he appr oved I nst al l at i on and Er ect i on I nst r uct i ons Manual ; no l at er t han t i me of pump del i ver y, submi t a t yped or pr i nt ed, and bound, [ di gi t al ] manual descr i bi ng pr ocedur es t o be f ol l owed by t he er ect i ng engi neer i n er ect i ng, assembl i ng, i nst al l i ng, and dr y- and wet - t est i ng t he pump. To t he ext ent necessar y or desi r abl e, coor di nat e and consol i dat e descr i pt i on of t he pump wi t h s i mi l ar descr i pt i ons speci f i ed f or t he [ gear r educer and di esel engi ne] [ mot or ] [ gear reducer].

( 1) The descr i pt i on must be a compl et e, or der l y, st ep- by- st ep expl anat i on of oper at i ons r equi r ed, and al so i ncl ude such t hi ngs as al i gnment pr ocedur es, bol t t or que val ues, per mi ssi bl e bl ade/ bowl c l ear ances; per mi ssi bl e bowl out - of - r oundness; per mi ssi bl e shaf t mi sal i gnment ; r ecommended i nst r ument set ups; r ecommended gages and i nst r ument s; bear i ng c l ear ances; and si mi l ar details.

( 2) Compl ement and suppl ement t he descr i pt i on wi t h dr awi ngs, sket ches, phot os, and si mi l ar mat er i al s t o what ever ext ent necessar y or desi r abl e, r esul t i ng i n a descr i pt i on t hat may be compr ehended by an engi neer or mechani c wi t hout ext ensi ve exper i ence i n er ect i ng or i nst al l i ng pumps of t hi s t ype.

b. The er ect i on engi neer ( s) , f ami l i ar wi t h t he equi pment t o be i nst al l ed, must super vi se t he handl i ng, i nst al l at i on, st ar t - up and t est i ng of t he equi pment as r equi r ed by par agr aph QUALI TY ASSURANCE.

c. Submi t [ di gi t al ] copi es of Oper at i on and Mai nt enance I nst r uct i ons Manual cont ai ni ng compl et e i nf or mat i on on oper at i on, l ubr i cat i on, adj ust ment ,


r out i ne and speci al mai nt enance, di sassembl y, r epai r , r eassembl y, and t r oubl e di agnost i cs f or t he pump and auxi l i ar y uni t s. [ Pr i nt t he oper at i on and mai nt enance manual and bot h par t s l i s t s on good qual i t y ANSI s i ze A 216 by 280 mm 8- 1/ 2 by 11- i nch paper , bound separ at el y bet ween f l exi bl e, dur abl e cover s. ] [ Pr ovi de t he oper at i on and mai nt enance manual and bot h par t s l i s t s on opt i cal di sc, f or mat t ed t o pr i nt on ANSI s i ze A 216 by 280 mm 8- 1/ 2 by 11- i nch paper . ] Dr awi ngs i ncor por at ed i n manual or par t s l i s t s, may be r educed t o page si ze pr ovi ded t hey ar e c l ear and l egi bl e[ , or may be f ol ded i nt o t he manual t o page si ze] . Phot ogr aphs or cat al og cut s of component s may be i ncl uded f or i dent i f i cat i on. [ Submi t oper at i on and mai nt enance dat a i n accor dance wi t h sect i on 01 78 23 Oper at i on and Mai nt enance Dat a. ]

3. 1. 2 Pi pes and Joi nt s

I nst al l pi pes and j oi nt s i n accor dance wi t h AWWA M11.

3. 2 FI ELD TESTS

**************************************************************************NOTE: Sel ect appr opr i at e br acket ed st at ement .

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Pr i or t o pr oceedi ng wi t h const r uct i on of t he [ t est set up but not l at er t han [ 60] [ 90] days af t er dat e of not i ce t o pr oceed, submi t a descr i pt i on of t he t est set up and t est pr ocedur e pr oposed. I ncl ude di mensi oned dr awi ngs and cr oss- sect i onal v i ews of t he set up and pump, r espect i vel y, wi t h l ocat i on of i nst r ument s and poi nt s of t hei r connect i on shown. ] [ model , but not l at er t han 90 days af t er t he dat e of not i ce t o pr oceed, submi t a descr i pt i on of t he pr oposed model and t est pr ocedur e. I ncl ude di mensi oned dr awi ngs and cr oss- sect i onal v i ews of t he model pump showi ng wi t h t he l ocat i on of al l i nst r ument s and t he poi nt of t hei r connect i on t o t he model . ]

3. 2. 1 Dr y Test s

**************************************************************************NOTE: A f our hour oper at i ng f i el d t est i s pr ef er r ed. I t al l ows adequat e t i me t o make al l r equi r ed obser vat i ons and t est measur ement s. Vi br at i on measur ement s shoul d be speci f i ed when t he desi gner f eel s cer t ai n t hat wat er wi l l not be avai l abl e t o do wet t est i ng or as a pr el i mi nar y check of t he i nst al l at i on. Dr y t est s cannot be conduct ed on pumps t hat ar e l ubr i cat ed wi t h pr oduct water.

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Test each pumpi ng uni t , consi st i ng of a pump [ and mot or ] [ and gear r educer ] [ r i ght - angl e gear r educer , and di esel engi ne] i n t he dr y t o det er mi ne whet her i t has been pr oper l y er ect ed and connect ed. [ Conduct such t est when, and as, di r ect ed by Cont r act i ng Of f i cer . ] [ Af t er each pumpi ng uni t has been compl et el y assembl ed, i ncl udi ng al l r ot at i ng el ement s and t he l ubr i cat i on syst em, oper at e at t he f ul l r at ed speed f or [ t hr ee 15- mi nut e per i ods] [ a per i od of 2 hour s] , t o assur e pr oper al i gnment and sat i sf act or y operation.]

[ a. Take vi br at i on measur ement s of t he assembl ed pumpi ng uni t s i n bot h t he axi al and r adi al di r ect i on at t he pump oper at i ng speed. Measur e v i br at i on as di spl acement i n mi l s and do not exceed t he maxi mum


di spl acement ( mi l s- peak- t o- peak) shown i n t he " good" r ange of Gener al Machi ner y Vi br at i on Sever i t y Char t . Obt ai n t hi s char t f r om Ent ek I RD, 1700 Edi son Dr i ve, Ci nci nnat i , Ohi o 45150.

] b. Take vi br at i on measur ement s i n accor dance wi t h HI 9. 6. 4. Vi br at i on l i mi t s cannot exceed t hose r ecommended by HI Fi gur e 9. 6. 4. 2. 5. 16. I f i t i s not possi bl e t o oper at e t he pump at i t s best ef f i c i ency poi nt , v i br at i on l i mi t s may be adj ust ed i n accor dance wi t h t he r equi r ement s of t he st at ed st andar d.

[ c. Oper at e each pumpi ng uni t at f ul l - r at ed speed unt i l t he t emper at ur e r at e of r i se has st abi l i zed f or al l bear i ngs. Consi der t he bear i ngs' t emper at ur e st abi l i zed when t he r at e of r i se does not exceed [ 0. 5 degr ee Cel s i us i n f i ve mi nut es] [ 1 degr ee Fahr enhei t i n f i ve mi nut es] [ [ _____] degr ee( s) [ _____] i n [ _____] mi nut es] .

] d. Repeat t he dr y t est r un i f i t i s necessar y t o i nt er r upt t he t est bef or e al l bear i ng t emper at ur es have become st abl e. [ I f af t er a r un of r easonabl e dur at i on] [ I f af t er a t est r un of [ _____] hour s] t he t emper at ur e r at e of r i se f or any bear i ng has not s t abi l i zed, t er mi nat e t he t est unt i l t he cause of over heat i ng i s det er mi ned and cor r ect i ons ar e made. Then r epeat t he dr y t est r un. Shoul d t est s r eveal t hat t her e i s a desi gn def i c i ency or a manuf act ur i ng er r or i n t he pumpi ng uni t component s, pr ompt l y cor r ect t he pr obl em.

3. 2. 2 Wet Test s

**************************************************************************NOTE: The l ongest per i od shoul d be used i f wat er f or t est i ng wi l l be avai l abl e. The est i mat ed wat er avai l abl e and t he number of pumps r equi r i ng t est s shoul d be consi der ed when speci f y i ng l engt h of t est s. Sound t est i ng, i f r equi r ed woul d onl y est abl i sh a base l i ne f or f ut ur e r ef er ence. Consul t HI 9. 1- 9. 9.

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Test each pump uni t under l oad, at or near nor mal oper at i ng condi t i ons, f or at l east [ _____] hour s or as di r ect ed by t he Cont r act i ng Of f i cer ; t he t est wi l l be wi t nessed by t he Gover nment . Pr ovi de al l suppl i es and equi pment r equi r ed t o conduct t he t est . Dur i ng t he t est Obser ve, measur e and r ecor d t he oper at i on of t he pumps dur i ng t he t est f or [ sound, ] v i br at i on and bear i ng t emper at ur es. Wi t hout addi t i onal cost s t o t he Gover nment , make al l changes and cor r ect any er r or s. The Cont r act i ng Of f i cer may wai ve or post pone t he t est i f suf f i c i ent wat er i s not avai l abl e.


SYSTEM LOSS CURVE

( DESI GNER TO PROVI DE THI S

FI GURE WHEN CONTRACT

I S PREPARED)

FI GURE 1


BEARI NG RTD I NSTALLATI ON

FI GURE 2

AXI AL FLOW PUMPAND

MI XED FLOW PUMP

FI GURE 3

NOTE: Fi gur es 2 and 3 exi st as a PDF f i l e l ocat ed at http://www.wbdg.org/FFC/NAVGRAPH/graphtoc.pdf f or downl oad.

- - End of Sect i on - -


UFGS 35 45 01 Vertical Pumps, Axial-Flow and Mixed-Flow ... 35 45 01.pdf · 1.6.2 [Static][Pool-To-Pool][Bowl] Head 1.7 MAINTENANCE 1.7.1 Special Tools 1.7.2 Extra Materials 1.8 Warranty

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